I've got some Mach 5 SX and they're not bad forks.
I'd rebuild them if pos. Sometimes there are spring kits for the Mach 5 series on eBay. Might be a while though!
Keep an eye on the 'For Sale' thread and soon your wallet will be empty and your shed will be full of shiney goodness!
P.S: Those black wheels Dave_H is selling would be nice (although not period-correct) on the Cindercone if you got it resprayed matte black.
1994 Orange Clockwork
1995 HSW Popcorn Blizzard
1997 Orange Vit T2 - For Sale!