So Many Windows: Performance Bottleneck Diagnosing, Part 2

Before I started diagnosing any problems I thought I would give a try to transferring the same kind of files from my HTPC to the NAS rather than my laptop. My HTPC is running Windows Vista Home Premium 32-bit SP1 (up to date on patches, don't want SP2) and is only wired while my laptop is running Windows 7 Home Premium 64-bit (also patched to date). Transferring files netted me an average throughput of ~10.5 MB/s with peaks up to 11.5 MB/s. This is what I would be expecting, nearly maxing out the theoretical cap. I will take a closer look on the weekend to make sure I was not simply still getting wireless speeds when I wired the laptop. If not, then I may need to look into whether it is a 32/64-bit thing or if it is a Windows 7/Windows Vista thing.