Lion Macbook Pro unbootable - any way past this?

Hi. I have a macbook pro with Lion installed. Yesterday it wouldn't boot up at all. I went to the recovery partition and that appears to be corrupted - it turned into a no-entry sign and then went back to it's non-booting main partition.
I do not have a recovery assistant USB drive nor am I able to get one now it seems. All the Apple 'solutions' require you to be able to boot into your operating system which, of course, I can't.
Doing a verbose bootup I am confronted with several errors.
For example:
Error reading driver '/System/Library/Extensions/ATTOExpressPCI4.kext/Contents/MacOS' (and others)
BootCacheControl : Unable to open /var/db/BootCache.playlist : 2 No such file or directory
disk0s2: I/O error
Then it goes into a permanent (I assume - did leave it running for 12 hours) loop of errors based on:
Waiting for DSMOS...
CODE SIGNING: cs_invalid_page(0x100b15000): p=136[locationd] clearing CS_VALID
CODE SIGNING: cs_invalid_page(0x100b15000): p=138[locationd] clearing CS_VALID
Is this macbook now ready for the trash? If you can't run the operating system OR the recovery partition how are you supposed to perform any recovery?
Wish I'd never upgraded to Lion.
Thanks for any help

Welcome to the Apple Support Communities
Correct. If you didn't turn on Find my Mac, you can't track your computer.
First, report it to the police. Then, if you turned on Find my Mac, note that the Mac must be using your Apple ID and connected to the Internet in order to be able to track your MacBook. To track it, open Find my iPhone app on the iPhone, iPod touch or iPad, or open http://www.icloud.com and select "Find my iPhone" on a Mac or PC

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Lion Macbook Pro unbootable - any way past this?

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