Computer won't boot--suggested fixes haven't worked.  Any other ideas?

Hi, this is kind of a last-ditch effort, hoping to find out if someone has a magic spell I can try (perhaps some command I can run from single-user mode?) The problem: my new MacBook pro won't boot up (gray screen, apple logo, windmill of death) and I've tried all the suggested avenues: it won't respond to Safe mode, I've reset the PRAM and the power, I've done fsck -y: nada. The problem is that I'm out of town, and so don't have my original install disk or access to an Apple Store. I've tried booting from someone else's OSX disk, to no avail--Apple Care says that other people's disks won't work. So basically I have to wait for the universal OSX disk to come from Apple, which will take days--in the meantime, does anyone know anything else I can try? I realize I'm probably SOL here, but I figured it's worth a shot to see if anyone has any other ideas. I'm desperate.
Thanks in advance for your help.

Yes if you have no firewire port then you will not be able to use Target Disk Mode. But if your partner with the mac happens to have a bootable backup then you could boot into it using USB port, As long as they have the backup in a USB enclosure.
I realize that you stated you tried everything to no avail but we are new to your efforts. So just to clarify any miscommunication on our part here are a few links that you can verify with us the procedures you have used in your effort.
SMC reset:
http://support.apple.com/kb/HT1411
PRAM reset:
http://support.apple.com/kb/HT1379
Safe mode:
http://support.apple.com/kb/HT1455
Resolving startup issues using fsck -y:
http://support.apple.com/kb/TS1417
Look towards middle of above article for "Use fsck if necessary"
Can you tell us what happened before the problem started? i.e. Software update, normal shutdown, upgrade hardware, change any configuration, applications started to hang with spinning beach ball, etc...

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