UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                                    FORM 8-K
                                 CURRENT REPORT

     Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

        Date of Report (Date of earliest event reported): July 10, 2006
                                                         --------------

                          Navstar Media Holdings, Inc.
                          -----------------------------
               (Exact name of registrant as specified in charter)

            Nevada                     000-50340               752980786
            -------                    ----------              ---------
 State or other jurisdiction     (Commission File Number)      (IRS Employer
     of incorporation)                                       Identification No.)

                         26, Chaowai Road, Suite A2205,
                    Chaoyang District, Beijing, 100020, China
                    -----------------------------------------
                    (Address of principal executive offices)

               Registrant's telephone number, including area code:

                            Phone:011-86-10-85653268
                             Fax: 011-86-10-85653223

                         Premier Document Services, Inc.
                         -------------------------------
          (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions:

[  ] Written communications pursuant to Rule 425 under the Securities Act (17
     CFR 230.425)

[  ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17
     CFR 240.14a-12)

[  ] Pre-commencement communications pursuant to Rule 14d-2(b) under the
     Exchange Act (17 CFR 240.14d-2(b))

[  ] Pre-commencement communications pursuant to Rule 13e-4(c) under the
     Exchange Act (17 CFR 240.13e-4(c))


Item 1.01 Entry into Material Definitive Agreement

The registrant entered into a definitive agreement to acquire 70% of ownership
interest in Beijing Lucky Star Century Advertisement Company ("Lucky Star") on
July 9, 2006. Founded in 1992, Lucky Star is engaged in advertising business in
the following areas: TV commercials, newspaper, magazines, and outdoor media.
Its customers include Coca Cola, Pepsi Cola, Philips, Pizza Hut, Dunkin Donuts,
China Life, and other brand names. The purchase price is 2,800,000 shares of
Navstar Media Holdings, Inc.'s common stock.

This acquisition will add additional revenue and income as well as synergy to
the Company as it enters a new phase of growth and development. This is another
step forward in our Company's growth strategy. The Company intends to continue
to grow through internal expansion and acquisitions.

Certain statements in this press release that are not historical facts are
"forward-looking statements" within the meaning of the Private Securities
Litigation Reform Act of 1995. Such statements may be identified by the use
words such as "anticipate," "believe," "expect," "future," "may," "will,"
"would," "should," "plan," "projected," "intend," and similar expressions. Such
forward-looking statements, involve known and unknown risks, uncertainties and
other factors that may cause the actual results, performance or achievements to
be materially different from those expressed or implied by such forward-looking
statements. All the unaudited numbers and data provided in this press release
are based on estimates according to the knowledge of the Company and may be
subject to changes that are beyond the control of the Company. The Company's
future operating results are dependent upon many factors, including but not
limited to the Company's ability to: (i) obtain sufficient capital or a
strategic business arrangement to fund its expansion plans; (ii) build the
management and human resources and infrastructure necessary to support the
growth of its business; (iii) competitive factors and developments beyond the
Company's control; and (iv) other risk factors discussed in the Company's
periodic filings with the Securities and Exchange Commission, which are
available for review at www.sec.gov under "Search for Company Filings."


Item 9.01    Exhibits.

     10.1    Agreement

     99.1    Press Release




                                   SIGNATURES

     Pursuant to the Requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.

                                                  Navstar Media Holdings, Inc.
                                                        (Registrant)

                                                     /s/ Ranny Liang
                                                     -----------------
                                                       (Signature)
Date:  July 10, 2006                                   Ranny Liang