Well, now that I've assembled pretty much everything I wanted, hardware-wise, it's time to show off the thing that brought me here
This is my Amiga 500, received from a very generous fellow in Colorado who required me to pay shipping via GunPal

You meet all
kinds of interesting people on the Internet... The only upgrade to the Amiga itself is the Kickstart 3.1 ROM.
These are the upgrades. The Supra Hard Disk + RAM came with 8MB of fast RAM installed and has an 800MB SCSI disk I had laying around (shouldn't be running out of space any time soon!) The Supra Turbo 28 isn't the most powerful accelerator out there; it's only a 68000 and can only cache from fast RAM, but it's easy to install and works reliably with almost everything I've tried. (And with 8MB of fast RAM, it really does make a noticeable difference.)
The Hard Disk + RAM upgrade generally requires a separate power supply, but the fellow I got mine from didn't have it (I think it died on him, but I can't recall.) So he hacked up a Molex connector to the power socket. Luckily, I have a number of old, broken computers laying around my garage, and one of them had a power supply with a built-in on/off switch. It ain't pretty, but it works.
I've also been collecting some reference books, as I love to dabble with programming old systems. Still working my way through the ROM Kernel manuals, but they're surprisingly well-written, so it's pretty easy going.
And that's it! I hope to get a CD-ROM drive to add to the setup, eventually, but for now this is everything I was hoping for. Thanks to all who helped me put this thing together
