This is the hardware section so I guess I wanna try something. I have a spare Surfboard modem sitting around my house, anything I can do with it? I mean turn into something useful... I try to look stuff up, but can't find anything that calls my attention. Any ideas would be greatly appreciated lol.

You could re-use the LED's for case lighting, that's all that's of any use!

Target practice? :)

If it is still pretty new you can use it if not, you can dissemble it and use different parts for different purpose. AS the name goes, use the modem as a surfboard. Or you can try selling it to a hardware shop or other people who might need it.