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Overdrive, it seems that every plus you mention about this racquet has 1.5 minuses, not sure why you picked this as your racquet of choice but anyway, to each his own...
I play the Legend with lead and leather. 0.8g at 12, 1.6g at 6, and with leather grip + overgrip. There was a poster (TennisMaverick) that was very knowledgable about volkl/BB racquets and he recommended this lead setup (.75/1.5). Seems weird and maybe it's in my head, but it does play awesome this way. I tried removing it and it feels ever so slightly different (in a worse way). I'm at 12.28 oz or around 348g static weight.
As for strings, I like stiffer poly in the legend strung low. I currently am enjoying TourBite 17 mains at 45 and any smooth, non-textured soft co-poly 17g at 45 in the crosses (currently I have Pro's Pro Vendetta 1.20). It plays great this way, in my opinion. MSV Focus Hex works great in this racquet, too.
I tried the Melbourne and prefer the Legend, as well. Not because of the weight, but the Melbourne's feel, sweetspot, and plow weren't as good, in my opinion. I think the Legend's balance, flex, material, and string pattern just "work" well together and feels great, I don't think a Legend2 could be made any better.
Anyway, I've never really had a racquet that I hated stock but loved when customized, so I would be wary of that. There has to be something good about the racquet for you in stock form, in my opinion, to get the most out of it customized. Good luck with it.