Nexus Hardware tested PC 3500 from Corsair, Geil, Kingston and Mushkin. They start with a nice introduction into JEDEC and ram timings. But I guess that’s not what you want to see… Their conclusions:
“Performance:
1st Mushkin PC3500
2nd Kingston HyperX3500/Corsair PC3500 C2
3rd Geil 3500
Price:
1st Geil PC3500
2nd Kingston HyperX3500″
You can read everything here.