I'm currently using Blender. It's free, which makes it a prime choice for us college students. It's definitely a little intimidating, at least for me, since you use it a little differently than other pieces of software. I've heard of Wings3D once before, but that was a few years ago, do people still use it?
I've been modelling for roughly 8-9 years now, the best advice I can give is focus on one thing at a time, so work out what you enjoy more, Hard Surface modelling, like what you've done. Or if it's more organic like characters, you will want to look at actually using sculpting software such as Zbrush, and Mudbox, 3DCoat, ect.
Another thing is don't worry about what actual software you use, learn Blender, Modo, Maya or Max, either one of them the modelling tools are very alike, once you know how to model, you can transfer that skill to any package you will need or want to use, you'll just have to learn the names of the tools.
Blender is very good, however give MODO indie on steam a look, it comes with a full suit of things of making assets, from very good modelling, to UVs, texture painting, sculpting, and much more. It's the program I love to use the most out of the very vast software I have.
Also if you're a student you can get free access to Autodesk Maya, Max, Mudbox, ect just using a student e-mail. And they are pretty much industry software.