I am happy have the E-P1 with my vintage lens.
I like your shots, they are beautiful. I was fortunate to borrow a EP-1 for two weeks and experimented with several lenses. I took the EP-1 and my Nikkor 300mm/f2.8 and Nikkor 200mm/f2.0 to a nearby lake and shot a few shots one afternoon.
One is with the Nikkor 200mm, it was the first shot I took and I forgot to change from the pin-hole art filter I had been using the day before. And it overexposed a bit, but I like this shot.
Another is with the Nikkor 300mm with only a slight crop to get rid of some bright sky at top. The two sailboats passing each other.
The third is a shot of some kids on a board with a paddle. This is about 2/3 of the frame.
The subjects were pretty far away in all the shots and I shot the lenses wide-open, to make focusing easier. I did have to put a cloth over my head and the LCD as it was very bright that day. Just like using a view camera, and yes I had the big lenses on a tripod!
Dale