I think this kinda "pay as you like" policy is very generous. I mean, you could except people to pay for a quality software like this. Becouse it is quality software
Right now, I assume there is some evil spyware on my PC, so I won't make any PayPal transactions, but if I fixed this, I will buy a license, no doubt.
Keep up the good work, Dan. I love astronomy, and destroying star-systems in top-notch 3D graphs. xD