In the woodworking community, the choice of chisels gets to be a topic discussed with religious fervor! Hardness, angles, laminated Japanese chisels, ... One's head can spin! You can read all about it in rec.woodworking (search in Google's Groups for *tons* of back postings.)
Or you can just go buy a set of decent mid-range chisels - something like a Craftsman set from Sears (hint: don't mention Craftsman in rec.woodworking :-). Harbor Freight would be low-end. You can go upscale by looking at Lee Valley - starting with the Marples (Blue Chip) chisels and going up from there.
What is it? What did you do there?