I found a solution to my problem that worked really well.
This is wonderful: http://blog.acamara.es/2012/02/05/keep-screen-aspect-ratio-with-different-resolutions-using-libgdx/Thanks anyways!
Yea I was thinking of choosing 640x360 and scaling up to fullscreen. 720p and 1080p would look exactly the same. 720 would be that times two and 1080 would be that times three. Actually looks really nice on my 1080p monitor when scaled up. Still a g…