Rush leading the fan voting with Deep Purple and Heart following..
From Rolling Stone magazine:
The nominations for the Rock and Roll Hall of Fame's Class of 2013 are in. Including Rush, Kraftwerk, The Marvelettes, Joan Jett & The Blackhearts, and Deep Purple. The top vote-getters will be inducted on April 18th, 2013 at the Nokia Theater L.A. live in Los Angeles.
Thru December 3rd, fans are encouraged to get to Rolling Stone magazine's website and vote for the folks they'd like to see inducted..
For the full story, and link to vote, click the pic!