Upgrade to 32-bit or 64-bit Windows 7 ??

I'm upgrading my Thinkpad T61 from 32-bit Vista to Windows 7.
Is there any reason I should stick with 32-bit? I plan to do a clean install either way.
As far as I can tell, I'm compatible with 64-bit. Most of my software these days is web-based and I should be fine with Adobe Creative Suite. I'll update my bios if needed before installation.
Any words of wisdom or advice?
thanks!
Model: 7662 CTO
Core 2 Duo T7300 2 GHz
2 GB Ram

Hello,
One thing to consider is that you may wish to upgrade your T61's memory beyond the currently installed 2GB of RAM. From looking at this page, the T61 appears to be upgradeable to at leat 4GB of RAM. With a 32-bit operating system, you will be limited to 3-and-a-fraction GB of RAM, due to limitations in how memory is utilized, but in a 64-bit environment, the problem effectively goes away. At work, I run Microsoft Windows Vista Ultimate Edition x64 on a T61 with 4GB of RAM.
As RichK noted, some older programs which perform direct hardware access will no longer work (unless updated with 64-bit compatible code), however, any program written in the past five years or so should either run just fine as a 32-bit process, or come in a 64-bit version.
Regards,
Aryeh Goretsky
I am a volunteer and neither a Lenovo nor a Microsoft employee. • Dexter is a good dog • Dexter je dobrý pes
S230u (3347-4HU) • X220 (4286-CTO) • W510 (4318-CTO) • W530 (2441-4R3) • X100e (3508-CTO) • X120e (0596-CTO) • T61p (6459-CTO) • T43p (2678-H7U) • T42 (2378-R4U) • T23 (2648-LU7)
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