eBay will DEFINITELY nail you for shill billing. They got me, but it was a mistake. I had a really nice Super Ikonta IV for sale there, and late in the auction noticed that the rear element had separation. When I tried to end the auction their software wouldn't let me, as it only had 11 hours to go and the reserve had been met. Not knowing what else to do, and not wanting to go through the hassle of refunding the buyer after the auction, I bid it up myself to $1600 on my wife's account, knowing no one would bid that high on a $600 camera. When I won the auction eBay sent me a warning that my account was restricted to Buy It Now auctions for several weeks due to shill bidding. I emailed them and explained what had happened, and the next day one of their reps called me at home and said they saw the large bid I had made and understood what had happened and removed the restriction. Even thanked me for being such a good seller (over 400 transactions and all positive). So you may get away w/ a shill bid once, but not often.
As for the APO lanthar, I suspect it's a very, very good lens. But the camera is a collector item (like black M4's) and the prices they bring are not realistic for a photographer. I'm happy w/ the 105 Heliar on my Bessa RF, and as others have said, the Skopar is a great lens too. I think that's what makes the APO Lanthar so unique. It combines the razor sharpness of a Skopar w/ a Heliar's 3-D imaging.