If you have a Windows7 or Vista setup, create a Datacollection within Performance Monitor. perfmon is going to expose exactly where the waits / latencies are and you can side by side them with your other disks. There are plenty of random and sequential read/ write tools that you can use to see and make comparisons in perfmon.

My first guess is that Windows7 isn't seeing your drive correctly due to drivers or you have it on a raid capable interface and windows doesn't want to optimize ssd on raid and that makes ssg run backwards in terms of performance.

Anyways, google some perfmon disk tutorials and your set for life, then work your way to the network and your system will be much faster and leaner for free.