Honestly I'd try to reconcile with him, a wise man once said that the power of love is a curious thing and I'm sure if you sat down with him and talked it over, reminding him of all the good times you guys have probably had by your description and that you'd probably want to be friends with him again and simply use all those objects as a bargaining tool.
Aunel, Aunel Aunel...you and bass guitars...Aunel said:give me the bass to me, I'll use it for the good fight =D