All good. We all had to start somewhere. I only shoot in the low 70's high 60's because I started when I was 3 and played 5 days a week...lol
http://www.callawaygolfpreowned.com/
This is a good site for certified pre-owned callaway. They own the site actually.
For your game, You'd probably love a Hybrid iron set. They make contact really easy. Or something with a large cavity back like the RAZR
If you're looking to spend a little less I'd go with these...
http://images.golfdiscount.com/brand.../v3_forged.jpg
Every club in that set is a hybrid.