I am going to buy from neweeg a P4 2.53 533MHz with a Gigabyte GA-8IHXP2 Tehama-E 850E/ICH4 chipset Socket 478 LAN ATA133 RAID AC97 Sound ATX motherboard and Dane Elec RAMBUS RIMM 1066 512MB NON-ECC is this a good combination? Should I consider DDR instead? THANKS!