I am evaluating nero 5.5.5.9 and it most definately works on XP. I havent had the oppurtunity to test it as much as I would like in XP, but I did have much greater success with it than the previous versions.

__________________
MSI 875P NEO-LSR Mainboard - Intel P4C 3.0Ghz (800Mhz FSB) - 2 x OCZ PC4000 512MB DIMMs - 4 x WD800JB 80GB/8MB Cache (RAID 0+1) - SB Audigy Platinum eX - ATi Radeon 9800 Pro AIW - Sony Trinitron 19" - Windows Server 2003 Enterprise