UPDATE: Two favorite restaurants have closed; two good ones have opened.
The North Campus of UB, where the conference will take place, is in Amherst, a suburb of Buffalo. As is typical of suburban locations, there is not much within walking distance of where you will be, and you might feel isolated without a car. The Flint Road hotel complex does have a diner besides the Marriott and Hampton hotel restaurants, and if you are hardy, you can walk from the conference center to a strip that contains several mediocre chains (e.g., Hooters).
There is an excursion to Niagara Falls Tuesday afternoon. One bus will leave the Falls at 6 p.m. and another at 9 p.m. If you are a U.S. citizen or your visa permits you to enter Canada and return, then definitely walk across the Rainbow Bridge to visit the Canadian side, and return on the 9 p.m. bus. The New York side of the Falls is pretty and rustic, but the environs shortly beyond the Falls area becomes fairly rundown all too quickly. There are no restaurants on the New York side of the Falls. The Canada side of the Falls is built-up and beautifully landscaped. Also, the Canada side affords spectacular views of the famous Horseshoe Falls. There are plenty of restaurants to choose from on the Canadian side, and you can amuse yourself at the Casino. You absolutely must visit the Butterfly Conservatory and the gardens. Take the People Mover (a bus that takes visitors to the various attractions) to the Butterfly Conservatory. I will not say more, because I do not want to spoil your absolute delight and enjoyment.
Bring your spouse or someone you love (inclusive or intended) and stay a day or two after the conference at Niagara on the Lake, a charming Victorian village at the mouth of the Niagara River, and home of the world famous Shaw Festival. Plan in advance; buy some theater tickets. I can let you know the best restaurants in that area. You need a taxi or rental car for all of these. Also, your hotel can plan excursions. (Yahoo's page on Niagara-on-the-Lake.)
This museum houses one of this country's finest collections of 20th century European masters. Unfortunately they will be undergoing renovation while you are visiting, and much of their collection will be on tour in Japan. I hope that the Clyfford Still's will be open, in case you are into the moderns. (Albright-Knox URL.)
Buffalo is blessed with restaurants that compare favorably with those in the major cities, restaurants that are described glowingly in Bon Appetit and Saveur. Here I will name a few of my favorites. These all tend to be small places, so you will need to make reservations in advance. Before getting to those, let me mention a couple of Asian restaurants and a few casual places in the general Amherst area that are worth eating at.
There is a brewery on Main Street in the Village of Williamsville that serves very nice beer and typical brewery food. I am sure you will find it. It's a good place to prove a theorem.
For the rest of my list, prepare to spend accordingly. Your per diem will not cover these. The next five restaurants are for memorable dining experiences.
This area excels in Italian restaurants:
The other truly excellent restaurants are in Buffalo (downtown Buffalo is only 15 to 20 minutes away):
Speaking of restaurants we have not yet visited, there is a new Japanese restaurant on Main St., across from the South Campus that opened to glowing reviews.
Final Note: There is a shuttle bus from the North Campus to the South Campus. At the South Campus you may take the public transportation subway into the city. There is only one line. If you get off at Allen Street, you will be only a few blocks walk from Enchant'e, Fiddleheads, and Biacs.
Since I wrote my recommendations about two months ago, two of my favorites have unfortunately closed. These are Sigmund's Bistro and Max's Deli. With the latter especially, one must mourn the passing of a signifant attribute of civilization.
Perhaps to compensate, two wonderful new restuarants have opened:
Danny Ocean's, on Transit Road, is named after one of the Rat Pack's movies. This tells you the theme of this restaurant. As might be expected, their steaks and seafood are excellent. However, what makes this place exciting, is that all of their dishes have been updated by a creative and imaginative chef.
Fritz's is located in Clarence Center. Although this is only a fifteen minute drive from the Center for Tomorrow, Clarence Center is a rural community. Consider this: a German restuaranteur has created a continental, modern restuarant in the general California style, with a definite Asian slant. Very interesting, and excellent.