I haven't used an actual version in at least 4 months... Go beta, you'll never (well, rarely) go back. I never had to mess with 2.0.2 I went strait from 1.9 to 2.1 (I skipped 2.0 because I didn't want the ads but now 2.1.2 seems worth it) BTW.
http://www.limewire.com/index.jsp/download_beta