RoastedPeanut Wrote:
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> If any of you have found a stack they're
> completely happy wight, I'd like to hear it :)

If you're using debian/ubuntu then dotdeb.org has PHP 5.3.2 in their repository based on the php.net svn with php-fpm already compiled in. No compiling required, just apt-get. (and a couple manual packages for ubuntu because of naming differences from debian) It's been working well, though some Drupal contrib modules needed some minor PHP 5.3 compatibility patches.

http://www.dotdeb.org/2010/03/08/php-5-3-2-is-available-too/