Deluxe 8.00.2704. I should be able to look for one of the differences between the DL and Ultra, but am a bit dozy this morning.... i7 980x; W7 Pro; 12GB; Nvidia GTX 285; 2x300G Velociraptors in Raid 0; 2x1.5TB Barracuda in Raid 1; 2TB WD Studio Ed.II (eSATA); NEC SpectraView Reference 2690 + MultiSync EA232