Please don't succumb to the "Bigger Pump" scam. If you ran FINE with a 1hp for years you don't need more. The smallest 2 speed Hayward sells is a 1 hp SuperPump. I have this and it's been running for 8 years.

How big is your pool (did I miss that?)? I have 20,000 gallons so...unless you have a much bigger pool you won't need more than that.