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I too had a Sig P229R that I was going to carry, but after I bought a holster and wore it around the house a bit, I realized it was heavier than I wanted to carry around all the time. I didn't like the DA/SA action as the first trigger pull is different from the rest, either. I am in the process of selling the 229 and I bought a Glock 19 instead. The Glocks grip is actually about 1/2 inch shorter than the Sigs and magazines are $15 compared to the $30 for the Sig. While the Sig is a great gun, and it was dead on and extremely reliable for the time I had it, it just wasn't going to work out for me as a CCW gun.
Of course you need to make sure you have a quality holster and gun belt for ANY CCW piece.

edit: To actually give you an answer to your question, I had a Comp-Tac CTAC holster for my Sig which was really nice. I bought a Comp-Tac MTAC for my Glock. The difference between the two is the MTAC has a leather backing as opposed to being completely made of kydex like the CTAC. Either would be a great holster for any gun. You also need to make sure you have a quality gun belt, mine came from Gunner's ally and is solid.