Could this rig play Crysis on ultra?

GPU-EVGA 896-P3-1170-AR GeForce GTX 275 896MB 448-bit DDR3 PCI Express 2.0 x16 HDCP Ready SLI Supported Video Card

CPU--(Lynnfield CPU w/ Socket 1156)Intel Core i5 750 Lynnfield 2.66GHz 8MB L3 Cache LGA 1156 95W Quad-Core Processor-

MOBO-ASUS P7P55D PRO LGA 1156 Intel P55 Intel Motherboard - Xtreme Design w/ SLI+CrossfireX, Auto-Tuning, DDR3 2133-

PSU-CORSAIR CMPSU-750TX 750W ATX12V / EPS12V SLI Ready CrossFire Ready 80 PLUS Certified Active PFC Compatible with Core i7 Power Supply

HDD-SAMSUNG Spinpoint F3 HD103SJ 1TB 7200 RPM 32MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive-

RAM-G.SKILL Ripjaws Series 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model F3-12800CL7D-4GBRH - Retail Dual Channel Intel Core i5 & Core i7 CPU for P55 motherboard-

HSF-COOLER MASTER Intel Core i5 & Intel Core i7 compatible RR-B10-212P-GP 120mm "heatpipe direct contact" Long life sleeve CPU Cooler-

DVD-SAMSUNG Black 22X DVD+R 8X DVD+RW 22X DVD-R 16X DVD-ROM 48X CD-ROM 2MB Cache SATA DVD Burner LightScribe Support-

CASE-COOLER MASTER HAF 922 RC-922M-KKN1-GP Black Steel + Plastic and Mesh Bezel ATX Mid Tower Computer Case-

THERMAL COMPOUND-arctic silver 5

OS:Microsoft Windows Vista Home Premium SP1 64-bit for System Builders w/ Tech Guarantee - OEM Includes free Windows 7 upgrade coupon

Monitor:ASUS VW246H Black 24" 2ms(GTG) HDMI Widescreen LCD Monitor 300 cd/m2 1000:1 (this monitor goes up to 1080p)

im going to go for SLI with 2 good graphics cards,of course. Xp

opinions,any changes that would make this thing better and less espensive.