Congrats!!!! well the PR1 might help you getting link exchanges from well ranked site which will also help you getting much good PR.....you might get some offers to sell your inbound links to them and also you might make some more revenues.........
Got a PR 1 after 3 months.... I was glad too. Still sitting a PR1 and I keep working on it. Like everyone said, the content is what matters most while PR should reflect accordingly... in time.
Forget PR, just keep spreading your target keywords in articles about 1 in every 100 words and watch the traffic start rolling in! Also work the backlinks try to get some anchor text links etc..
oh my god...... people PR1 is pretty much useless. And if your only getting a low PR ranking, it means that you are only getting backlinks from low PR sites. even if you just get a few PR4 backlinks, you will do your PR a huge favor, and probably go up to 2 or 3 quite easily. Remember, its all about the quality of the links, not the amount. You could have like 1000 PR1 backlinks, and it would only equal the power of a few PR3 and PR4 links