Marc's exatly right...the PFC will EASILY handle your mods and is tunable by some of the best tuners in the country, right now, just down the road. You're not building a 700+hp car so you don't need the extra features a more expensive ecu has to offer. The PFC is run by many cars that have in excess of 500hp with no problems at all, it's an extremely capable ecu and it's one of the most commonly recognised ones amongst the tuning industry. It's hard to go past for your application imo.