while back vs while ago

Hahoo   Tuesday, October 19, 2004, 12:53 GMT
Is there any considerable difference between em?
canaws   Saturday, October 23, 2004, 00:57 GMT
Raj K   Tuesday, October 26, 2004, 15:45 GMT
while ago is preferred to while back
Toasté   Wednesday, October 27, 2004, 14:36 GMT
Actually, both are equally acceptable. The version you use generally depends on which regional variation of English you speak. 'While back' is the preferred regional variation in most of the Southern, Midwestern and Western United States, 'while ago' is preferred in most other places.