Not that this has any relevance to the MediaPost Email Insider Summit, but you do pick up things in conversation. Reading a guidebook to Philly cheesesteaks, one often hears about Pat's and Geno's. But John Lewis, a director at Zeta Interactive, a Philly guru and devoted Villanova fan, offered up some recommendations:
His top 3:
http://pudgescheesesteaks.com/
http://www.johnsroastpork.com/
For roast pork, he recommends: DiNics: http://www.readingterminalmarket.org/merchants/view/56
Other top 10 lists:
http://www.cheesesteaktown.com/40-cheesesteaks.html
A great book on Cheesesteaks: