OK, so I edited it just about what you said, with
100 HP/ 70 ATK/ 105 DEF/ 90 SpA/ 95 SpD/ 90 SPE=550 BST
Hows that?
[If it needs to be lowered more, I can oblige, but I'd prefer to lower it's ATK, since I feel it should be able to get out some hits, and SP. Attack would be the better...