Raptor has actually made me pick up rogue. I've fit Beneath the Grounds and Anub'Arak in and it pretty much rocks a 60%+ win rate and i couldn't be happier. Oil was iffy and all over the place with wins/losses, not to mention it was restrictive in regards to tech options.. Meh.
Tough question, I really enjoy playing both but like others have said, raptor rogue is more consistent. With oil it's not uncommon to have situations where certain cards are dead weight and others where they're godly. In any case, it's nice to see a new archetype for rogue being talked about.
I think that Raptor Rogue is super consistent for ladder, if i could change one card to make the deck way better, would be buff Undertaker to 3 hp and make rogue only card, that would make the rogue turn one consistent and have that 3 hp and be on par with mana wyrm and tunnel trogg, if raptor rogue had that start + the sticky minions it already has, i think the deck would be tier 1