Hello all, AppleCare are shipping me a new 15" MacBook Pro due to failed repairs on the existing unit. Exisiting Unit: CPU CPU: Intel Core 2 Duo CPU Speed: 2.4 GHz FPU: integrated Bus Speed: 800 MHz Data Path Width: 64 bit Address Width: 64 bit ROM: EFI RAM Type: PC2-5300 SO-DIMM Minimum RAM Speed: 667 MHz Onboard RAM: 0 MB RAM slots: 2 Maximum RAM: 4 GB Level 1 Cache: 32 kB data, 32 kB instruction Level 2 Cache: 4 MB onchip, 1:1 Expansion Slots: 1 ExpressCard/34 Video Screen: 15.4/ active matrix TFT Video Card/Chipset: NVIDIA GeForce 8600M GT VRAM: 256 MB GDDR3 Max Resolution: 24 bit 1440x900/1680x1050 Video Out: dual-link DVI Camera: iSight They are shipping me the following: 2.53GHz Intel Core 2 Duo 4GB 1066MHz DDR3 SDRAM - 2x2GB 250GB Serial ATA Drive @ 5400 rpm SuperDrive 8x (DVD±R DL/DVD±RW/CD-RW) MacBook Pro 15-inch Glossy Widescreen Display Backlit Keyboard (English) / User's Guide (English) I am a bit of a nerd and play WOW quite a lot. How will this run on the new vs the old? Anyone have any experience? Thanks in advance!