IE7 CSS compatibility
The MSDN page on IE7's CSS compatibility should provide some useful information for those interested in getting prepared for IE7. There's also an IE7 page on the ever useful CSS-discuss wiki.
Also, don't forget that IE7 beta 2 has been publically available for a week now. Whilst it's not a "standalone installation", you can revert back to the previous version when you uninstall. Personally, I'm more inclined to work in the other direction and install multiple standalone copies of IE.
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