I was a ski boot/tele boot fitter for a number of years, in Utah and up in Vail. I've tele'd for 7years now and also came from an alpine and boarding background.
Everyone here has hit the nail on the head. I'd go with whatever boot fit's the shape of your foot, but a beefier one made for the resort, cuz that's where you're gonna spend most of your time in the beginning. The shell fit is super important -one to one and a half fingers behind the heel when your toes are lightly touching the front of the shell in a thin sock..any more than that and you'll be swimmin' in the boot after a few days of skiing in it after the liners break in. Speaking of that, in a properly fit boot, the liners should feel almost uncomfortably tight when your getting them heated and fitted, so don't be alarmed. they will get roomier. Make sure the shop heat molds you too. If they can't or won't, go somewhere else.
I'd also look for a wider ski than you think in the beginning too.. it'll help you exponentially in the pow and crud. -at least 80+mm under the foot
Eventually, if you want the goods.. you'll be lookin' for ski's over 95mm wide.. cuz fat is where it's at baby!!