I'm using it now.
Redhat V7.3 - although I haven't recompiled the kernel yet
I'm using it outta the box as 686 kernel, no problems so far.
Have not tried to enable all the features yet but,
using P4 2.0a G
w/512 MB
sound works
net works (100 mbs full dup)
disks work
video works (gforce 4 MX 440, 64MB)
scsi works (tekram dc960UWF)
50x CDROM works
32x12x40 CD-RW works
hmmm.. haven't gotten around to USB and 1398 yet...
scanner is project for this weekend.
Hope that helps,
Skipper
hope that helps