Here's my situation; I have two guitars - and LTD Viper 400 (ESP) w/ EMG's (81&85) and have just purchased an Epi Les Paul Standard. I like the EPI, but would probably like to change the pickups. I play mostly Heavy Metal / Hard Rock, but also blues and would like to have some decent cleans when I need them.
 

I don't want two indentical guiatars, but would like to bring EPI up to first class status. A pickup that is good for heavier music, but also versatile enough to play blues and scuttle. There are too many choices out there for me to even know where to start.

Any feedback and suggetions would be greatly appreciated.
By the way, my amp is an AD50VT Vox Valvetronics (I guess that's important in refference to my question).
Thanks for any help,
Rick