not really micro adjust but what about tweaking in the creative styles menu fine tune contrast saturation sharpness brightness and zone setting? there are lots of little adjustments and quirks in the A700 Elisha just keep playing around.
Sony A700_____________Minolta AF 50mm. F/1.7
Minolta AF 70-210mm F/3.5-4.5 Tamron AF 17-50mm F/2.8 XR DiII LD Asp. [IF]
Tamron SP AF 70-200mm. F/2.8 DI LD [IF] Macro
Tamron AF 70-300mm F/4-5.6 Di LD Macro 1:2
Tokina AF 28-70mm F/3.5-4.5
Tokina AF AT-X 80-400mm F/4.5-5.6 http://flickr.com/