As far as I can tell everthing seems to work fine with full hardware acceleration. I don't get any skipping, crackling or delayed sound, eax appears to work.
Mp3's and games all sound fine.
PC Spec
Win2k Pro 2195 (ACPI Multiprocessor)
Dual P3 500
Gigabyte GA-6BXD
128MB 100mhz DIMM
10GB HD
Creative TNT2 Ultra (5.22)
SBLive Value
Creative DXR3
Creative 6X DVD
HP 7200i CDRW
Hauppage WinTV
PCI Ethernet NC