@justthatgood
I have an original Phase5 CyberStormPPC in my 4000 and it has done me proud over the years. Wipeout 2097 is way cool. :-)
The big problem with the DCE cards is that DCE is supporting them, and I use that term in a very vague sense of the word. There have been various horror stories floating around about cards going missing for weeks/months on end while being "repaired".
If I were you I'd kick back and use your cash on an A1 or Pegasos, me I'm getting an A1 dev board. If you don't want one of those, do as 4Play suggests and wait for a Shark. Could be a while yet though.