[wazoo2u]

Ok, here's a couple of notes. Program is very stable (so far) and has no problem handling many (10) simul torrents. Has the basic features of Azureus, with a slightly cleaner interface. Doesn't use a ton of memory.

Important missing features: No superseed mode, No Share Ratio metering but it does keep track of UL/DL amounts per torrent, but you have to do the math.
Doesn't allow you to stop seeding at a percentage cap, rather requires you to set the number of hours to continue seeding.

I took a quick look at the XBT client. Very bare bones and FUGLY. Seems a bit feature thin. Haven't used it, so can't comment on memory footprint or stability.

Anyone use anything else that they like better ?