To all users of poclbm miner: Please update to current version, it fixes some bugs in handling HTTP connections, which improve overall performance.
To all users of phoenix miner: Please update from version older than 1.5 to current version 1.5, it fixes some network issues and help network performance, too.
Damn! I've just upgraded the phoenix and while doing this (2 minutes?) the long round ended. Guess what - I got less than HALF of the normal income. I know, its the score, I know. But this really sucks.