Yeah...I have done one-handed for a little bit, and it's fun. I'd say that 2 looks for OLL on OH is okay. You get easier moves, and fatigue and awkwardness play a much larger role in OH, bumping times up by 10 seconds or more, at least for me. And since most of your OCLL algs are <R,U> gen or really easy otherwise, it can be fast.
One thing that I have noticed early on is that one-handed speedsolving is an entirely different game that regular speedsolving. Partial edge control and COLL are so much better and more useful in OH, and there is a greater emphasis on LL. My F2L is consistent on nearly every solve (and I'm slow! ~25-30 sec), but if I get an Anti-Sune and an edge cycle that's not a Z, I'm well under 50 seconds. Meanwhile, an M slicing OLL with a V is deadly for me.