What about this one?
http://www.hackerscomputer.com/dettaglio_009.094
Asus P5P800, Intel i865PE chipset, 5 PCI slots, 8x Agp, S-Ata, Ultra DMA and GigaLan... it seems perfect and it's very cheap too at the moment (got mine for 88 euros)...
I've bought it and I'm building up my 2 CW cards system ...