Well, you know, in the example I mentioned, either on this thread or one remarkably similar the difference in average speed is only 1.6%, but it adds up to 1:17 over 25 miles If you don't care about that, that's fine, but it's a real benefit.
__________________
"Don't take life so serious-it ain't nohow permanent."
"Everybody's gotta be somewhere." - Eccles