Are you boring? or work to late? Or you need vocation? Will next month, 3 months ahead or you'll be next year to the U.S. on holiday or vacation while you work there?
Of course in your rest time, you will be doing the watching. Then where will you find a ticket to go without watching from your seat without disrupting your activities?
See at www.acheapseat.com. At this site you can buy a ticket for United Center Tickets, Chicago Theatre Tickets, Red Rocks Amphitheatre Tickets. OK I want share for schedule detail:

United Center Tickets:
Bruce Springsteen (May, 2009), Chicago Blackhawks (February - April, 2009), Chicago Bulls (February - April, 2009), Eric Clapton (June, 2009), TBA Harlem Globetrotters (April, 2009), Worlds Toughest Rodeo (February, 2009), Disney On Ice: 100 Years of Magic (September, 2009)


Red Rocks Amphitheatre Tickets:
John Prine (June , 2009), David Byrne (June, 2009), TBA
1964 the Tribute (August, 2009), Dr. John (August, 2009) TBA Mormon Tabernacle Choir (June, 2009), Celtic Woman (July, 2009), Flight of the Conchords (May, 2009), ABBA: The Tribute (July , 2009), Darius Rucker (September, 2009), TBA Giant Panda Guerilla Dub Squad (August, 2009).

Chicago Theatre Tickets:
Chicago theatre is home to more than two hundred small theatre companies, often performing in untraditional theatre spaces such as storefronts, public spaces like laundromats or bars, or any number of studio or black box theatres around Chicago
This is schedule:
Gipsy Kings (February , 2009), Wizard Of Oz (April - May , 2009), Frankie Valli (April , 2009), Chris Botti (May, 2009), Chick Corea (April , 2009), Dora the Explorer (March , 2009), Denis Leary (April, 2009), Ultimate Doo-Wop Show (May , 2009), Celtic Woman (February , 2009), Neko Case (April, 2009), NE-YO (February, 2009) Frankie Valli & The Four Seasons (April, 2009) Speaker Series: Minds That Move the World (March - May, 2009)

And now, Start order the tickets and your ticket will came to your home before your vacation came.