Hey Blutch, back for your biennial visit?
There are tons of posts here on large cuts of beef. Having done those both ways I'd have to say cook it like a roast and slice it when it's medium rare. Oh my... Of course the steak method doesn't suck either.
NB El Dorado Offset, Primo Oval Junior, Traeger Model 075 Pellet Pooper, Big Chief, Kingfisher Kooker 14" gas/wood combo, PBC Brethren Edition
Home Brewer, Murderer of Squirrels, Armadillo Inspector
Flaming Pig Head Mod
Black Thermapen, red backlit Thermapen
Certified KCBS BBQ Judge