A guitarist* friend of mine recently got a cheap solid-body guitar very similar to a Gibson Jr. It has two P-90's one dogeared (the bridge) and the other a non-dogeared p-90. He is looking for some upgrades, he has already replaces the pots (250k) and switches. He put grovers one it. Anyone know of good p-90's that are very bluesy? *The reason I say this is that he nice, though fickle at times.