I was at my local Lowe's yesterday and saw the Campbell Hausfeld nail guns on sale.
The box included 4 nail guns:
A 16 gauge finish nail gun
A 18 gauge brad gun
A 18 gauge 1/4" staple gun
A 23 gauge pin nailer
Four nail guns for $89.00
I have never used Campbell Hausfield nail guns and don't know how reliable they are. Just passing this information along to you.