I don't see any conflict with the US Open but there is a conflict with the Florida Pro Tour and several other events as listed below.
World 10-Ball Championship later this year in Manila, 6 - 12 October, 2008.
US Open 9-Ball Championships, 2008 Dates: October 19-25 ,2008
Seminole Florida Pro Tour
Bankshot Billiards
Jacksonville, FL
October 10 - 12, 2008
$6,000.00 added
GB 9-Ball Tour
GB9 British Grand Prix
Rileys
Mansfield, Great Britain
October 10 - 12, 2008
NWPA
The Parlor
Bellevue, Wa
425-289-7000
October 11 - 12, 2008
Predator 9-Ball Tour
Season Finale
Raxx Pool Room
West Hempstead, NY
516-538-9896
October 11 - 12, 2008
$3,000.00 added
Fast Eddie's 9-Ball Tour
Fast Eddie's
Houston, Tx
October 11 - 12, 2008
$1,750.00 added
Also a $350 added ladies event
Blaze 9-Ball Tour
Q-Ball Billiards
Vineland, NJ
609-691-8789
October 12, 2008
$1,000.00 added