Obviously, you're going to have to put some time in and do your homework yourself.
Read the Pools subforum for your own best interest: https://bitcointalk.org/index.php?board=41.0
As a new user, I'd advise you stay away from any proportional pool.
The reason is, you'll be one of those unfortunate sheep pool-hoppers thrive on.
Although bitcoins.lc does not publish their hash-rate graph, I'd fully expect it to look much like this one: https://bitclockers.com/statistics
This "heartbeat-like" pattern is nothing but bad news for the steady, 24/7 miners.
I've been mining on Eligius for months and have nothing wrong to say about the pool.
Just be advised that the owner has lately been a controversial and polarizing individual. Nevertheless, he is a highly skilled coder.