I don't own one, but I recommended a Catalina for a fellow who was new to the drums. I helped him assemble and tune his new drums, and even with the stock heads I was pleasantly surprised how good they sound and easy they were to tune. I had them tuned up in no time. I spent just about as much time tuning whole kit versus my 10" tom on my DW's. I haven't heard one of these kits with aftermarket heads, but I'm sure they sound better than with the stock heads.
You made a wise purchase. I would own one of these in a heartbeat if I ever needed another kit.