A couple more questions:
1) The hard drives in the links you provided me (thanks, XXXXX XXXXX way) are internal hard drives as opposed to external hard drives, right? I am not well versed in hardware (or software, for that matter!) so I want to make sure I understand. If I were to purchase one of these, I'd have to take my MacBook in to a local repair center to have it installed, I'm assuming?
2) Where can I find the $29 Snow Leopard disc?
Result of the boot/Disk Utilities:
As I mentioned earlier, the only installation disc I have is my roommate Jon's, and it is the Snow Leopard version (my computer is only equipped with Tiger)...I used it to see if my computer would respond to it, despite not being able to actually use
When I went to Disk Utility, it showed two options in the Left Panel: "MATSHITA DVD-R UJ-857", and "Mac OS X Install DVD". Both of them did not allow me any of the options (Verify Disk, Repair Disk, etc), perhaps because I wasn't allowed to perform the install in the first place?? Not sure.
Sorry to take so long...the computer took several minutes to boot up. Thanks for your help.