EXHIBIT 12.1

COMPUTATION OF EARNINGS TO FIXED CHARGES

(dollars in thousands)

			InSight (Predecessor)									InSight Holdings
																					Pro Forma
			Fiscal Years Ended						Period from												for Fiscal			Three Months Ended
			June 30,						July 1 to			Fiscal Years Ended June 30,									Year Ended			September 30,
									October 17,												June 30,
			2000			2001			2001			2002			2003			2004			2004			2003			2004
Earnings:
	Pretax income (loss) from continuing operations		$	8,320		$	16,425		$	(6,748	)	$	9		$	8,188		$	4,874		$	3,502		$	2,685		$	(1,310	)
	Fixed charges			25,601			28,757			7,888			35,979			40,191			43,778			47,269			10,766			11,975
	Distributions received from unconsolidated partnerships			450			970			134			965			1,009			2,054			2,054			508			652
	Less-Equity in earnings of unconsolidated partnerships			817			971			382			437			1,744			2,181			2,181			759			400
		Total earnings	$	33,554		$	45,181		$	892		$	36,516		$	47,644		$	48,525		$	50,644		$	13,200		$	10,917
Fixed Charges:
	Interest expense		$	19,379		$	24,315		$	6,536		$	32,856		$	37,738		$	40,936		$	43,683		$	10,170		$	11,080
	Interest factor of rental expense			6,222			4,442			1,352			3,123			2,453			2,842			3,586			596			895
		Total fixed charges	$	25,601		$	28,757		$	7,888		$	35,979		$	40,191		$	43,778		$	47,269		$	10,766		$	11,975
Ratio of Earnings to Fixed Charges				1.3	x		1.6	x		—			1.0	x		1.2	x		1.1	x		1.1	x		1.2	x		—