Im not sure who comes up with these number or how high they go, but no matter what I do, I just cant hit an 8.

You must be using an SSD.  My mechanical drive is holding me way back.

In windows 7 the maximum number you can have is 7.9

In Vista the highest you can get is 5.9

Why don't we post our rigs specs below our ss?

Processor: i7 920 @ stock Cooling: Cosair H70 Liquid Cooling Mobo: Asus P6x58D-E X58 Memory: 6GB Corsair DDR3 @ 1600 MHz Video Card: 2x Evga GTX 285 SLI Core@710 Shaders@1530 Memory@1231 HDD: 2x WD Raptors Raid0 Case: CoolerMaster HAF 922 +

I cant give too much detail since it may cost me my job. I can say which SSD I have.

Intel X25-M Mainstream SSDSA2M160G201 2.5" 160GB SATA II MLC Internal Solid State Drive (SSD) - OEM
Sequential Access - Read: up to 250MB/s
Sequential Access - Write: up to 100MB/s
Power Consumption (Active): 150 mW
Power Consumption (Idle): 75 mW
Model #: SSDSA2M160G201

Hmm that explains why its not 8

A buddy of mine has OCZ's revo drive and hes got an 8. Of course it reads well over 700+ mb/s

Well Im not going to complain about getting a 7.2 with what I spent for the system.