I like the MTAC IWB holster available from Comp-Tac. I like the adjustable cant, and it is made to be pretty comfortable to use daily. It's a bit more expensive, but not as expensive as some of the custom leather holsters from other sites.
All in all I like the MTAC the best from what I've seen for IWB for the price. It's not complex, but it's pretty comfortable and offers some options for it to work for you. If you want the grip angled, it offers adjustment so that it works for you. It's an important aspect for me.
The key thing is to get something you will be comfortable and confident in wearing. If it's going to make you leave your gun at home then what was the point?