Just reveived a MIM Deluxe V from ebay which I'm planning on modding, but it seems to have a weid issue at the moment in that it sounds like I'm playing with a chorus pedal on, mostly when playing in the upper register. Gets less noticable when pups are panned either way but it's still there. Haven't even got as far as changing batteries yet but this one seems ok. Preamp problem maybe? Not a real concern as I'm planning Audere/Big Splits pretty much straight away but I'd like to get the stock gear working first anyway. What do you think?