I just received my brand new LEFT-HANDED holster for a XD(m) 45 Compact from Hopp Custom Leather:
http://www.facebook.com/HoppCustomLeathers. Pictures of mine can be found here:
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For the record, the XD(m)45 Compact 3.8 is also a newer model which is difficult to find holsters for, and even harder to find
left handed holsters for. The combined cost of my holster plus the magazine carrier, both made from horsehide (superior for keeping sweat off your gun), plus the reinforced mouth, plus the full quill ostrich strip, shipped to my door was $135.00. You just can't beat that with a stick. My Hopp holster is the most comfortable of all my OWB holsters, but he also makes IWB rigs and "convertible" rigs which can be worn either way.
I have also had good luck buying left handed holsters for various guns from Galco, and Desantis.
Regarding pistol choices.... I love me some 1911, and for a long time my EDC was a 3" Kimber. However, even the alloy framed Kimber was heavier than I liked to carry after a while because of chronic severe back pain, and I've been carrying polymer framed guns since....primarily a Kahr CW45 or a Kahr PM9, but also my new XD(m) on occasion. Also, I pocket carry frequently, either the PM9 or a scandium framed .357 snubbie.
Mainly though, carry what you like and what you'll practice with. Having a $2500 race gun won't do you any good if you don't shoot it, and neither will a $250 Kel-Tec.
“Hard times create strong men. Strong men create good times. Good times create weak men. And, weak men create hard times.”
― G. Michael Hopf, "Those Who Remain"
#TINVOWOOT