I've tried old versions, and no luck there. I'm still really frustrated. I haven't gotten ahold of my ISP to ask about any throttle they may have on p2p DL's, but folks are uploading from me at capacity.
Also, it started using me as an Ultra peer again... not sure what changed it. About 3 days back, one DL got up to 18K and I have no idea why.
Whether I'm DLing 1 or multiple files, each one seems to cap at 5K. Here I kept stacking on files that each found between 50 and 150 sources: