Does he not like me, or am I overanalyzing? Help :(

I have a good guy friend from college that I'll call Matt who I've been flirting on and off with for months. However, I just graduated from college and moved away, while he has another semester left. Well, up until a week or so ago I had been seeing an ex that we'll call Kyle. Matt, as a friend, decided to come visit me from out-of-state. He bought the plane ticket and spent 4 days with me. We had an amazing connection and flirted the entire weekend. But he didn't try anything physical, as he knew that I was technically with someone else. He complimented me countless times, and we spent hours and hours talking every day.

Well, my relationship with Kyle had been going downhill for weeks, so needless to say I broke it off after my weekend with Matt. I told Matt, and he said "Are you telling me because of the connection we had last weekend?" I told him no, the relationship with Kyle would not have worked out anyways, but I did want him to know. He sounded excited, and asked if I wanted to "explore the connection" and see what happens. He also said since we aren't in the same place anymore, we can keep in touch via phone, skype, Facebook, etc.

Okay, great. Well, here's where it gets confusing. The guy kind of sucks at communicating online, or at least he has in the week and a half since our weekend together. We've had a few Facebook chats, but haven't talked on the phone since that first conversation where I told him Kyle and I broke up. I initiated a texting convo with him on Sunday and it was great, but I haven't heard from him since. Well, I found out today that on my way to move into my new place for grad school, I'll be driving through our college town. I wanted to let him know, since that meant we could hang out on my night there. Plus, I knew he would invite me to crash at his place. I texted him at 6 p.m. tonight and said "Hey! We should chat soon when you're free. i got some pretty cool news that I think you'll like." Nothing, no response.