i prefer Canon actually, but Nikon is good alternative. not sure on Sony at all, havent seen many people using them. Canon seems to be a good default choice for DSLRs these days.
'14 Black F11 530xd - NOW
'07 Silver E86 Z4 Coupe 3.0si - SOLD '16
'07 Blue E90 325i - SOLD '12
'06 Silver E90 320d - SOLD '10
'98 Blue E36 320i - SOLD '06