Its actually a very valid question to be honest, as I am someone who feels you have to play the site as much as the players or the cards.
My username is the same everywhere, so no need for me to say how I play sites, but its something that all players should consider. I should imagine that a lot of people are like me and have quite a few poker accounts on their desktop, but I have found that I have got better by sticking to one site and learning how the sites play