which 20's are you looking at?
I would highly recommend going with 360 Forged ...nicest wheels out there!
and as for the ride...you dont seem like the type who is too fussy about the ride. you def feel the road a little more. but its not bad AT ALL. and its def worth the looks of 20's vs 19s.
2016 BMW X5d - Black Sapphire on Terra
2016 Range Rover HSE TD6-White on Ivory
2010 Audi R8 V10 Coupe 6MT-White on Red - gone but not forgotten