I used this guy to replace the battery on my Garmin Forerunner and was very pleased at the cost (low), turnaround (quick), and result (much longer battery life). He's doing a promo - 10% off. Passing this along!

fixYourGPS.com
June 09, 2013
Greetings!

As a prvious customer of mine I would like to tell you about my new store, fixYourGPS.com.  I am now repairing many models of Garmin Forerunnner and Edge devices at very reasonable prices.
10% Discount for you and your friends.
Enter the coupon code "Previous customer" at checkout and get a 10% discount for you and your friends.  fixYourGPS.com 
I really appreciate your past business and hope that I can be of service again.
 
Sincerely,

Dan Wilson
fixYourGPS.com