Thats good, at this stage a belt is overkill, just like lifting shoes, westside barbell sweat shirts, etc. Form and consistency is really all you should focus on, numbers on the bar are irrelevant for a while. I see you playing with programming, thats good, but I cant stress the importance of picking a program and sticking with it for at least 4-6 weeks, 12-24 weeks ideal. I like a lot of them out there. I would read up and learn them all. I would start you with Starting Strength, but others that are good are, Westside(conjugate), Dan John, Strongfirst(Pavel). 5x5 Stronglifts is just a version of Starting Strength with a dash of internet marketing, he admits it all over the place.
A basic Starting Strength program will allow you to increase your lifts, and make some room for additional training(i.e. Cardio).. Once it gets heavy you wont want to run/swim/bike. it has a great forum where you can submit video for critiques and questions about injuries. The program is deceptively easy, and a good entry into weight lifting. Westside is extreme, its geared toward powerlifters and elites.
This is the program I am running now, to get back into it. I am about 12 workouts in, feeling good.