Here's an interesting summary on how the numbers look on average for a bunch of players;
http://forumserver.twoplustwo.com/sh...Number=5892078
It's for small stakes no limit, so it should be good for you to look at. I know it says poker tracker, but the VPIP, PFR%, BB/100, etc. is the same.
Just remember to not force your numbers to a point where you don't feel comfortable, it will almost certainly not help your winrate.