Many other applications make the distinction between 32 and 64 bit, as using the correct version for your system has a definite affect on performance. Going to do some digging and find out what the specific [functional] differences are, and what the drawbacks are (if any) for incorrect pairing.
For reference, most of us should be running a 64 bit OS at this point. (And I know running a 32 bit version of Windows limits you to 3 GB of RAM.)
Anyway, something I noticed, and thought I'd throw it out there for verification. Can I get confirmation of the version you're running, and is anyone out there running a 64 bit version of the client?
Edited by SmilingElf, 23 January 2013 - 11:30 PM.