#2
Learn as many songs as you can
Bands I've Seen

Robert Randolph and The Family Band
Eric Clapton
Letz Zep
Arc Angels
Eric Clapton (At the Royal Albert Hall ;D)
Joe Bonamassa
Eric Clapton & Jeff Beck (at the O2 arena ;D)
The Bootleg Beatles
#3
I don't think this is the right place. Take a look around in the Acoustic forum - there are also articles on improving - Just practice!
a little lost.....