Have you ever shot an R9 or any other of the micro 9mm's???
These tiny pistols are absolutely brutal to shoot and follow-up shots are a joke.
Just because it's tiny and insanely priced that doesn't make it the ideal pistol.
Did you know that the R9 comes with an extra recoil spring because it's recommended you change the recoil spring every 100-200 rounds?
http://www.acbsystems.com/boards/roh...ecoil-assy.htm
Personally I'd rather have the P3AT and spend that extra money on ammo practicing shooting it accurately.
No amount of money spent on fancy high dollar pistols is going to make up for a lack of control and the ability to rapidly put your shots on target.