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Rumor on the streets is, any MBP manufactured after Feb 2008 will have an exploding GPU.

I would advise you to buy while its still hot.
 
Search and you'll find a hundred thousand posts about this.

Actually, around a million at last count.

If you need it, buy; if you merely want it, wait. Is it safe? Safety is such a subjective concept. Once bought - especially if you have added Applecare - you are covered by warranty and/or Applecare should the machine malfunction and you can return it to have it repaired/replaced. I have a wonderful MBP which I bought last April and I'm pretty pleased with it. Cheers
 
I would wait too. Even though I'm not one to wait, this time I would say wait at least after the Sept. 9th event?
 
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