I don't know jack about Intel. So i need help. Can the processor be changed out for a faster and maybe dual core processor to push his new 8800 gtx from pony that he has. hear s=are the specs straight from Dell site. System Summary Service Tag: System Type: XPS/Dimension 600 Ship Date: 6/19/2006 Dell IBU: Americas Quantity Parts # Part Description 0 149DF INFORMATION, PREPARATION MATERIAL, DEVIATION, PRECISION WORKSTATION, INCREASE, #2 1 5120P CORD, POWER, 125V, 6FT, SPT2, UNSHIELDED 1 DJ301 KIT, MOUSE, UNIVERSAL SERIAL BUS, 2BTN, OPTICAL, LEAD FREE, BLACK 1 DJ331 KEYBOARD, 104, UNIVERSAL SERIAL BUS, UNITED STATES, ENTRY, LITEON, BLACK 1 F7710 CARD (CIRCUIT), MULTI-MEDIA, AUDIO, SB0467, LEAD FREE 2 F6761 DUAL IN-LINE MEMORY MODULE, 512, 533M, 64X64, 8, 240, 1RX8 1 HF730 DISPLAY, FLAT PANEL DISPLAY, 20W, 2007WFP, BLACK, DELL AMERICAS ORGANIZATION 1 HK249 KIT, SOFTWARE, OVERPACK, WXPHSP2C, COMPACT DISKETTE W/DOCUMENTATION, ENGLAND/ENGLISH 1 HH748 CARD (CIRCUIT), GRAPHICS, 256, 7900, GS, HMGA14 1 PF623 INSTRUCTION, DEVIATE CHAS L6 TO L5.5 1 YH064 PROCESSOR, 80547, PENTIUM 4 PRESCOTT DT, 660, 3.6, LGA, R0 1 GJ920 ASSEMBLY, DVD+/-RW, 16X, IDE (INTEGRATED DRIVE ELECTRONICS), NEC CORPORATION, CHASSIS 2001 1 RG240 KIT, SOFTWARE, MCAFEE, 7, COMPACT DISK DRIVE, ENGLAND/ENGLISH 1 RG894 KIT, SOFTWARE, APPLICATION, SONIC SOLUTIONS, CINEPLAYER 1 CC306 HARD DRIVE, 160G, S2, 7.2K, 8M, LEAD FREE, SGT-TNK 1 UH837 KIT, SPEAKER, 12V, AS501, NMB, BLACK I would appreciate any help from anyone that knows Intel processors. I know AMD but Intel know nothing about other than he wants a faster processor or a dual core processor for crysis. hopefully with out changing mother board out.