Where the heck can you go wrong with a grocery store within walking distance of campus. Damnit, I'm jealous that my time RIGHT NEXT DOOR was spent next to an abandoned freaky building one year, a pile of rubble for a while, and then an empty field.
The free-wifi was definitely helpful for the non-student/faculty without access to the UIUC network. The Caribou Coffee is another plus.
I appreciated how at one of the entrances, the first section is alcohol and snacks :)