In theory, there should be many possible SSD drives that fit this model as it is a standard SATA interface. I'm not versed in the specifics for the job of replacing the HDD on this machine, but there are sure to be many guides on this site. If you want an example of SSD drives that will work, try the following:
Crucial MX200 - 250GB SSD
You can also use the system scanner tool on Crucial's site to confirm what supporting upgrades they have.
I fitted one of these in my MacBook Pro of similar era and it made a world of difference. One more thing to note, if you haven't done so already, look into the possibilities of upgrading your memory as this also gets a lot of life into the old dog, so to speak.
Hope that helps.