No, that's not likely. The most probable explanation is that your hard drive was damaged in the power loss...that can happen, and if it does, you can kiss your files bye-bye.
Anyway, I feel really, really bad for you, but if this is the case, I don't think there's all that much that you can do. I'd say your best bet is to take your damaged drive to an electronics place and see if they can recover your files; you'd be amazed at what those guys can do. The only problem is that that kind of service is extremely costly. At Staples, for instance, a simple data recovery job from an external hard drive could cost you $1000. Therefore, unless you're REALLY attached to your files, it would be better to give up and buy a new computer.