[quote name='GaveUpTomorrow']A simple google search will give you plenty of answers to that question.

In general, x64 will run a lot faster with programs that are coded accordingly, and it supports a greater amount of ram. As for switching from x32-x64 for myself, I noticed a huge speed difference in response time to windows myself. Also, you aren't going to notice changes in most games (except for new games), as they aren't coded in 64-bit coding. Do some google searches to learn more though, IMO if you have a 64bit processor, you might as well go for the 64bit version of windows.
In terms of the deal, it is good overall, but signing up for IEEE last week got me 8 copies of Windows 7 Professional through MSDN, and it only cost $32 to join, so it doesn't sound that great to me. Though IEEE is only for engineering students and various other fields, so not everyone can sign up. Still, getting 8-copies of Windows 7 for $32 was well worth it

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Was that 8 hard copies or just through access on the site? Because I saw in the membership terms that their memberships run from Jan-Dec, and that even by signing up now, you get charged for a full year, but it expires in December. Obviously, it's worth it for the copies of Windows 7. I just want to make sure I won't need to be renewing the membership to maintain access.
Actually, unless I'm missing something, it looks like Windows 7 isn't even offered anymore. This is what their page says:
Wide range of software available
Software highlights include:
- Vista Business Edition
- Visual Studio Team System - "Top of the line" professional development tool!
- Expression Web Designer
- Project Professional 2007
- Visio 2007
- Windows
To name just a few of the most popular development tools! A complete
list of the software currently available is provided.
When you click the link to view the complete list it just shows Vista and XP.
EDIT - And I just found this on MSDN:
2009-09-17 Windows 7 products are unavailable at this time. Please check back. (17-Sep-2009).
EDIT 2 - Yeah, I think I figured it out. They pulled it. This is stated numerous times on ACM's sign up form:
(Please note: The Microsoft Developer Academic Alliance package offered to Student Members DOES NOT CONTAIN ANY VERSION OF Windows 7.)