Al's would be my first choice for Italian beef . . . if and only if it came from the original Al's on Taylor St. I'm guessing it's coming from the one on Ontario, but I'm not sure. I'd ask.
If it's coming from the one on Ontario (a franchise and not the original), I'd probably suggest going with Portillo's. I prefer Portillo's to any of the Al's franchises. From Portillo's, you can get Italian beef, Italian sausages, hot dogs and Maxwell Street Polish sausages. You're not going to get the best of any of these, but I think all are respectable versions. Portillo's departs from tradition by making available cheddar on their beef and hard rolls for their Polish sausages.
I just checked the major delivery websites and it appears as if both Al's and Portillo's will deliver to you. As far as delivery goes, you have a few options:
www.ceodeliveries.com,
www.diningin.com and
www.grubhub.com. Enjoy and thanks for knocking Favre on his ass!