yeah, I get a lot of emails from guys saying stuff like 'what scales should I play over this set of chords "E, B, C, Em, D etc..."

... I feel like saying, "none".

Play something melodic that comes from the heart and use your scale knowledge to help guide your fingers into finding the most efficient way to play the notes that sound best in the song.

I can't stand guys who play everything using scales and overused rock runs that have been around for 30 years.
Especially this one:

http://s93744050.onlinehome.us/cheese101.mp3

... it's like arghh..... cheese101... go back to guitar school.