Just joined this morning, after a 'google' showed up this site in searching for P-K to M43 adaptors. I am the happy user of an EOS 1D Mk III and a bunch of lenses. The 1D Mk III was a 2nd hand purchase in Feb, as an upgrade from my 40D. I have owned a G3 with 14-42 kit lens about a week. I have some old P-K lenses (SMC 50mm f1.7, Viv Ser 1 70-200 f2.8 and Tamron SP 350 f8 mirror lens) that I look forward to using on the G3. I need a compact camera for use with some active hobbies, hence the purchase. This site is proving very useful already!