Our Detectives use Safariland, but I cannot remember the model number. If you have alocal place go there and try on a couple and see how it feels and looks.
I second the Ctac by Comp-tacremat457 said:That is my primary CCW. I use a CompTac CTAC. Conceals great with just a t-shirt (and a good belt). I recommend it highly.
For OWB I have a simple Hume open top. Great holster and very reasonably priced.