Due to multiple compatibility issues that make OO.o not fit for it's intended use, we are no longer selling it, nor are we recommending it. Unfortunately, this means that there is no office suite we can recommend for use with Linux.
Issues that I've found:
MS Office conversion does not work properly I had a document created in MS Word that I opened in WordPerfect, without problems. A document created in OO.o Writer, saved as a Word document caused WordPerfect to crash
complex calculations are not correctly computed by calc
When performing calculations in Calc, holding control key to select multiple items, but not all items selects all items. a10 and a5 selects a9, a8, a7, and a6, as well as a5