Roto is my favorite ratchet design, although I don't yet have a compact 3/8" version. The 1/4" Snap-on (an older 39 tooth TM738) is my most-used ratchet.
I really, really wish SK would come out with a 1/4" size roto ratchet. I'd buy two on release day and put a 3/8" kit in one of them. I'm not...