This is my setup
Manfrotto 055ProB Tripod
Manfrotto 410 Geared head
A pair of Manfrottood Micro positioning slides (one shown but normally have the two at right angles to each other)
A Manfrotto quick release adaptor on the top and then:
My point and shoot camera
Canon 1D Mk II N
Canon MP-E65 macro lens
Canon MR-14Ex ringflash
and yes I use this in the field lol, the quick release comes in handy if I cant use the complete system.