I've had a few folks ask some questions about the recent update / algo change from Google.
One of the better explanations of it can be found here -
Some take away notes:
1. The sand box may be easing up a bit - it has been long thought that Google sometimes put's new sites in a sand box of sorts before allowing them to be ranked.
2. Some changes on how links / linking works. The 15 tips they include there are excellent.
3. Stale sites rank worst - if you haven't updated the content of your site in a while - make it a priority to do it today.