depends on ur pref... some people prefer 35mm drop all round, some prefer 50mm all round and other 60/40 drop. the latter prob gives the best stance in terms of how it looks in the arches.
dont go really low first then higher it go a little then if u want a little more because i bought coilies wound them down as far as possible and i loved it then i had to raise it a bit because they could not fit there tracking equipment on the wheels and now i look at it and wish it was lower lol
cheers
adam