I have both I like 1000 uprights myself I dropped my micro down to the floor and turned it into and indoor car only would be at the rumble series right now if it wasn't so close to Christmas and family coming in from out of town first one I've missed in 5 yrs back when I started they only ran 250's in Ohio 600 micros wasn't in Ohio as a matter of fact the only place they run in Ohio now is Deerfield and they are only in there 2nd yr and there car count is pretty low less than 10 cars to me one ride in an upright and you would hooked