And before someone comments on "Macs are so expensive", if you're productive with it and you command a reasonable salary then it's not expensive at all. It's worth your sanity to go with good hardware.
And 2013 vs 2007 is awful also... conditional formatting is problematic among other things, and the compatibility info workaround doesn't usually tell you specifically what to change or where to change it.
Strangely enough, LibreOffice / OpenOffice have better compatibility with Office files, especially with damaged files.
Thanks for pointing it out. I've commented on the article requesting it be updated.
You can backport and install 5.5 on it I believe, but that's not exactly out of the box. This article states that official 5.5 support for RHEL5 is beta...
Do you just strap it to the back of your hand or something?