Heres a little info about the notebook and its specs im getting it off of xoticpc MSI GX640-098US - 15.4" WSXGA+ "Glare Type" Super Clear Ultra Bright Glossy Screen (1680x1050) - Standard Dead Pixel Policy - - Intel® Core™ i7-720QM, 1.60-2.80GHz, (45nm, 6MB L3 cache) - Stock OEM Thermal Compound - ATI Mobility Radeon™ HD5850 1024MB PCI-Express GDDR5 DX11 - No External Graphics Card - No Video Adapter - 4,096MB (4GB) DDR3 1066MHzDual Channel Memory - Standard Finish - - Combo Dual Layer SuperMulti 8X DVDRW Drive w/ Software- - - 500GB 7200RPM 16MB Cache Buffer (Serial-ATA II 3GB/s) - Default - No Back Up Hard Drive - No Floppy Drive - Internal 4-in-1 Card Reader (SD/MMC/MS/MS PRO) - Internal Bluetooth + EDR - Built-in 802.11 Wireless A/B/G/N - Stock Wireless Card - No Network Accessory - Built in 2.0 Megapixel Camera - No TV Tuner - Sound Blaster Compatible 3D Audio - Included - No Carrying Case - Smart Li-ion Battery (9-Cell) - No Car Adapter - None Standard* - No Dock/Hub/Adapter - No Fingerprint Reader - No External Keyboard or Mouse - No Notebook Cooler - Windows 7 Home Premium 64-Bit w/System Recovery + Drivers & Utilities Disk - No Office Software - No Software Bundle - 3 Year MSI US Parts & Labor 1 Year Global Warranty w/ Lifetime Tech Support + 1 Year Accidental Damage Warranty (Accidental requires registration) - No Xotic PC Gear for about 1470$ would it be worth getting a i5-540 processor for 60$ less or a i5-520 for 100$ less or a i5-430 for 360$ less?? Also is there a big difference between 1066 ram and 1333 type ram for 100$? is it worth upgrade?