I've got one that needs to go in too. I was really excited about the new 510... but dread being without my SL Grand for even a day... So, a couple of times a week, I go look at the grands for sale thinking I might just get a new one and then send the old one in... And then I think I can do just fine with my no-longer-VV Woodville for a week or so and I should just send it in... Then I think, "Heck. It works fine the way it is". Then I look at the new ones... rinse/repeat.