Does anyone who owns a 2011 Mac Pro 17' also has a weak-wireless connections from the router? Seek for the solutions

Hi, I have just brought the 17' Mac book Pro two months ago. However, I found out that this new laptop's wireless connection is unstable. Compare with my 2010 13' Mac Pro  and ipad2, the result is significantly responsible with the new wireless card model.(Correct me if I am wrong)
Hence, I am looking for a solution because I frequently skype with my oversea family members. I appreciate for your time and help
Thanks
Hahaq

"...Office Depot is the store where they are on sale. A 15% fee is not fair in my opinion..."
Is that the store policy on returns? What about buying from Best Buy?

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    There are numerous threads about multi-monitor and resume-from-sleep issues with Mac Pro 2010 (5,1) and ATI 5870. There is also one thread in this forum with another user having problems with DisplayPort (henceforth, "DP") on his PA271W, but he has other issues that point to power supply or some other kind of problem.
    My problem is that my brand new Mac Pro won't drive my PA271W at all with a mini-DP to DP cable. The same PA271W will drive fine from the secondary output of my iMac. The same PA271W will also work fine on the Mac Pro with DVI.
    Apple sent me a replacement 5870 today, and it exhibits the same behavior. I'm trying to determine which of the following is the case:
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    b) My 2010 MP has some weird issue that makes the 5870 and PA271W not work.
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    Ben

    To answer your question based on what I have seen and inferred so far:
    a) I think there's some odd interaction b/w the PA271W, the 5870, and some diagnostic message the 5870 send to the logic board.
    b) I don't think this is the case (alternatively ALL 2010 MPs are screwed up!). I was at the Apple store yesterday and tried both a 30" + dual-link miniDP adapter and a 24" miniDP monitors with no issues at all. There's clearly and issue between the PA271W and the 5870, I think.
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