Dim Sum Garden
59 11th Street (between Arch & Filbert)
Great for: A cheap lunch
A few steps away from the convention center, this dim sum restaurant is cheap and good. Every review I've read raves about the Shanghai Dumplings!
Reading Terminal Market
51 N 12th Street (between Arch & Filbert)
Great for: A snack or grab and go lunch
The public market with vendor stalls selling everything from sandwiches and baked goods to cheeses and desserts.
Pat's King of Steaks
1237 E Passyunk Ave (Get on the #23 bus at 12th & Arch and go South for 12 minutes or 17 stops, getting off at Wharton St. Then walk east to 9th street.)
Great for: Trying Philly's best cheesesteaks!
Can you really come to Philadelphia without trying a cheesesteak? I have been told you have to suspend incredulity and get the cheese whiz.
106 S 13th Street (take 13th south past Chestnut)
Great for: After conference drinks and a nice dinner
Pick up some tequila across the street and bring it to this BYOB Mexican restaurant with great margaritas.
264 S 16th Street (take Arch west then south on 16th past Latimer)
Great for: A Belgian beer and mussels
Need I say more?