Hi, while there a few RISCOS users here I suspect you will get a wider audience at:
usenet - comp.sys.acorn.hardware
forums -
http://www.iconbar.co.uk
,
http://www.acornarcade.com
but note that some won't take kindly to confusing Acorn RISCOS with MIPS RISC/os!
For the SCSI card, do you have any specific requirements? ARM Linux/NetBSD-acorn32 support different cards to varying degrees. Any preference for HD50, DB25, Centronics sockets? Is speed an issue? (SCSI2 with DMA faster than older, non-DMA cards) Have a look at
http://chrisacorns.computinghistory.org.uk/32bit_FI.html#SCSI
for a reasonably complete list.
StrongARM - most commonly 200MHz or 233MHz; the later versions (233MHz rev S and T) fixed a couple of bugs so worth looking out for those
A7000+ - ARM7500FE rather than ARM710; note also that an A7000+ can be fitted with a CD drive OR and expansion card but not both (unless you hack the case!), and you'll need a 1-slot
backplane
for the SCSI card - though again with some case-hackery you could fit a 2-slot or 4-slot RiscPC backplane.
You might also be interested in the Mico and Riscstation, which were sort-of A7000+ clones/replacements - ARM7500FE, 56MHz, RISCOS 4.03, faster IDE than the Acorn interface, and in the Microdigital Omega, intended as a RiscPC replacement and very rare.
Hope that helps you get what you're looking for.
