There are a lot of good choices out there. First you might want to settle on do you want to carry an auto or revolver. If it is a revolver then the smith and Wesson five shot hammerless air weights would be a good choice. If you want to go the auto route then as Glockster said go somewhere that you can try out as many kinds as you can. Then of course you will have to decide on what cal.
By faith Noah,being warned of God of things not seen as yet, moved with fear,prepared an ark to the saving of his house;by the which he condemned the world,and became heir of the righteousness which is by faith Heb.11:7