Hey all. My 21st birthday is coming up and my father is going to get me a pistol for my birthday (great dad huh?). I have decided I want a SA XD in 9mm (cheap ammo costs), and now my only question is whether to get the 4" service or the 5" tactical. I am not going to be ccw it, this is will be my do all gun: target practice, a few competitions here and there, and other things like course shooting. I was thinking of the 5" for the better sight radius and more stability. I was just wondering what all of you thought, especially anybody who has the Tactical because at the gun shop we are getting it from they only have the 4" for me to handle and see how it feels, although I am sure the dealer would let me trade the tactical for a service, I would rather not have to do that. Thanks in advance to any and all responses.