The 60GB SSD (OWC with Sandforce Controller for built-in TRIM support) running 10.5.8 is on the PCI SATA controller, just wasn't able to find one supported by MOS9, so I'll try to get the 60GB working on 9.2.2 using a SATA/IDE adapter, and put a larger SSD for 10.5.8, probably a 256GB.

http://www.jongleur.co.uk/blogs/random-thoughts/how-old-is-retro/ for a overview of my QuickSilver2000 desktop, with XBench results for the HDDs and SSD added to the comments.