I use a Pentax for the in-body SR, the build quality of cameras like the K10/K20D, and most of all for the prime lenses.
Camera Bag
Pentax K20D
Pentax FA*24mm/2.0
Pentax FA 31mm/1.8 Limited
Pentax FA 43mm/1.9 Limited
Pentax DA 70mm/2.4 Limited
Pentax FA 135mm/2.8