2.55 Audio Scrubbing

I am having issues with audio scrubbing using 64 bit, 2.55 beta in Windows 7. Actually can’t get the sequencer to play audio at all. Tested on two different machines with totally different hardware, so I don’t think that it’s a hardware issue, but I’m still not sure.

We use Windows 7 at work now, just switched, so I really don’t have a choice, got to get it working. Can anyone verify if this is a known issue? Or point me towards where I can find out if it is a known bug?

Edit: Just tested it with the 32 bit version, everything plays fine. Obviously the machine has 64 bit capability, so I want to take full advantage, but 32-bit blender is just fine. Still would like to know if I should submit a bug report though.