Domain

Okay, I'm debating on what to do to get my PR back. I lost all the PR's I've got to my three blogs. And my hope sinks at the same time. Should I get domain for the two blogs I've got and start working it out to get a higher PR? Or just wait until I've got my lappy that way it would be convenient for me to update those blogs without going to the room and update it. I don't want to waste the time and since I'm paying for the domain I want to make the most of it. Confuse, I have to make sure that when I have the decision it would be worth it. Well see.