I also prefer uTorrent because most Unix clients... sucks - sorry but this is sad true. Every Unix client I tested had problems with certain trackers (I never had a problem with uTorrent) and download speed was usually lower. Also Ktorrent was crashing a lot and Deluge ate to much resources - only client I like (but for single torrents only) is BitTornado - unfortunately it doesn't support all necessary features (like DHT - at least it is not working for me). On the other hand - even thou utorrent use wine it is much stable, use very little resource and gives best download time - that's it.