Do you guys know that you can try the Pro version of Unity also? Just send them an email asking for it and they will send you a link with a code that will only work for 30 days also.

http://br.youtube.com/watch?v=jBQhxYNxI8U
http://br.youtube.com/watch?v=2LBz31EpBNA
http://br.youtube.com/watch?v=Q0MpSxyH-34
http://www.youtube.com/watch?v=vd4R1JVXNAc
http://www.youtube.com/watch?v=BvSG4_nOB88