I've had a few, I suppose! Most recently I swapped a bitsa 70s MIJ Jazz copy (which owed me about £40 and some elbow-grease) for a 1983 Aria SB Elite Black & Gold I. The Aria's had a hard life, and is in need of some tlc & some minor repairs - but considering the srp of the recent [url="http://www.gak.co.uk/en/aria-limited-edition-cliff-burton-signature-sb-black-and-gold-reproduction/99253"]Cliff Burton sig reissue[/url], I think I didn't do too bad...
Probably my no.1 bargain would have to be my £60 CSL Jazz - which I bought from a local pawn shop purely to flip for a few bob profit - until I played the thing. Simply the nicest Jazz - no, the nicest [i]bass[/i] - I have ever played, and the one I'd grab first if the house was on fire. It's been pimped mercilessly in the 10 or so years I've had it, so in its current form has cost a little bit more than 60 quid, but it's a complete joy. Will have to sort out decent pics of it - this doesn't do it justice:
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Jon.