A zorro2/3 board that did 100baseT with an RJ45 connector combined with DDR memory slots (1 gig memory, anyone?) would be a killer card, and if you could combine it with an IDE or serial ATA controller, that would be even better.
Someone's idea of a replacement motherboard, where you could take your custom chips off your A2000/3000/500/(1000?)and mount them on the new motherboard would be cool. The new motherboard could have USB, Firewire, sound, ethernet, PS/2 ports, serial, parallel, modem as per PC boards, but have a processor connector that could use 040/060/PPC etc. processor daughterboards. A 2000 case has room for lots of slots; could be some zorro3, some PCI and an AGP slot. Yowza! :ranting: