I'm new to the Line 6 products. I think they are awsome. I have a Line 6 AX II amp. Because of it's age and the fact that the line is discontinued I would like to purchase a few extra parts before they become extinct in the event that they may need to be replaced later. I was thinking at least a half dozen pots, and whatever you might recomend I have for future failures that are most comon on this amp. Any and all information would be greatly appreciated.