Hi. I'm new to the boards, so I haven't followed your thread, but I'd definitely be interested in reading it. Congrats on losing 30 pounds. That's a pretty amazing achievement. I'm a classic skinny fat type of person. My advice, and definitely get some other opinions on this, is that you should eat more, not less. The reason for this is that at 1500-1600kCal/day, which is well below the maintenance requirement for a person of your size, your body is reacting as if you are being starved. This will cause you to lose a lot of fat in the beginning, but eventually your body will start to defend those last fat stores as it believes they may be necessary to keep you alive. That being said, if you are going to eat more, you need to eat the right things and not go out of control.
I would check out any of the diets out there that are designed to equalize blood sugar levels (zone, paleo, south beach, eating for life,...). They are designed to allow you to consume more calories without transporting those calories to fat by controlling insulin response. More calories will convince your body that you are not starving and it will let go of that last bit of fat. If you do these diets right, the extra calories will NOT go to fat, but to muscle / increased energy.
There will be lots of debate about which of those diets are best. In my opinion, you can pretty much ignore them. They all do the same thing. Control the insulin response by limiting "bad" carbs and eating frequently to keep you blood sugar levels constant. There is a lot of good science that supports not limiting your calories to severely if you want to lose that last bit of weight. Just pick one, stick with it for a month, and I think you will be happy with the results.
I would say your workout routine is just fine and not the area you need to make improvements in.