The Boxing event of the Summer Olympics this year in Beijing will be held in the Workers’ Indoor Arena. The place is pretty huge with the seat capacity of 13,000.

Workers’ Indoor Stadium from http://en.beijing2008.cn
There are 11 boxing events corresponding to a recognized weight division of male (only…again) boxer. But this is the last Olympic boxing competition that excludes women. So watch out the next Olympics in London (2012), the first female boxing events will be introduced.

Pictogram indentified Boxing in 2008 Olympics: Wikipedia
Anyway the events are Light flyweight, Flyweight, Bantamweight, Featherweight, Lightweight, Light Welterweight, Welterweight, Middleweight, Light heavyweight, Heavyweight, and Super heavyweight.
The first fight is scheduled on Saturday, August 9 at 13:30 – 15:00 in the event of Middleweight (75 kg). The Quarterfinals will start on the next Sunday, August 17 and the Semifinals of all events will be held on Friday, August 22 and the last two days Saturday, August 23 and Sunday, August 24 are arranged for the Final Round.
You can look for the full competition schedule at http://en.beijing2008.cn or Wikipedia (since nowadays you can find almost everything in Wiki so why not?)
So boxing fans, be prepared! Each country has sent its best boxer to compete in this huge competition.