Try these people too.
http://www.telescopeadapters.com/TMINUS-M43.htm
T-Minus™ 2" UltraWide Prime Focus Adapter
Olympus PEN & Panasonic/Lumix G Series
http://www.teleskop-express.de/shop/...-Olympus-.html
I haven't dealt with them and don't know what the postage rates are like (tho I have had stuff from Germany that was very reasonable)
Hope it helps - Trevor