To avoid celebrating too much, I read a lot of these guys over xmas. Some observations:
Franzen is whiny. Dyer you'd like to be his friend and take drugs with him or at least play tennis.
Franzen has produced the better book: The Corrections.
In essays Dyer is funny, Franzen you just feel like you're getting too much info from a conceited nerd.
Dyer's essays on photograpy are his dullest. All Franzen essays are kinda boring.
Dyer likes tv, Franzen thinks it's evil.
Dyer likes drugs, Franzen antidepressants.
So.....