Am updating my current PC and need some feedback to check if everything is in order or if anyone can recomend any improvements. The setup is as follows(am using the same ATX case, CD-ROM and HDD): XFX LGA 775 NVIDIA nForce 680i LT SLI MCP Intel Motherboard Core 2 Duo E6750 Processor XFX GeForce 8500GT 512mb 500mhz core SLI ready(128 bit) Kingston - Memory - 4 GB - DIMM 240-pin - DDR II - 667 MHz / PC2-5300(kit of 2 ) Ultra X-Finity ULT31848 600-Watt Power Supply Unit (Black) Unfortunately, I came to knowledge that I could get a better graphics card but I bought this one right away so am asking for guidance, in order for not making the same error again. The setup is for a gaming performance pc that can last some years using games at max performance(later on with some extra earnings I'll put another equal video card for dual SLI card interface, but meanwhile it is like this). My budget(without taking in consideration the money spent on the video card) is of $500 of which the current setup is at $498.41. What am asking is if anyone could check is all the previous hardware has compability which each other and if anyone is able to find any improvements taking in consideration the budget for it would also come in handy. Thanks a lot. P.S.: Am not really sure about the RAM being compatible with the motherboard because the site doesn't specifies if the RAM is ECC/Non-ECC or if its fully buffered or not, thats my mayor doubt. Again, thanks a lot.