[/quote]Poseidon supports many different PCI USB cards just as Picasso96 supports many different PCI graphic cards. But to use a specific PCI card, you need drivers for this very card.[/quote]
You don't need drivers for different cards, but for different chipsets (well, generally, that is...)
Elbox created one additional artificial restriction: All Spider cards are bog standard PCI USB2 cards, with a special "code" written in flash, that tells whether or not the card is one sold as "Spider" or not. Drivers could easily work with ANY card that has compatible chipset, but thanks to this additional check, it won't.
I challenge you to show me ANY other PCI USB2 card that Mediator supports, all that without any 3rd party hacks (obviously that simple "IsCardSpider()" check could be disabled somehow, I think some people were working on this a while ago)