@BenShep
Well, I wouldn't determine a cards value out of one single ebay auction. I have seen Blizzard PPC boards, fully working, with 68060, 240 MHz 603 and SCSI go for 300 EURO but have also seen some go for over 500 EURO.
@ming
If I were you I would use it for games in it's standard casing. A nice compact system, with the juice to play most games (no AGA games obviously). As you say, you can get your internet shoot by using the PC :-)