4* 40 is great, I don't know the others, in building or flying, but After Tower Trainer 40, I got the 4* 40 and building was easy, I had the maiden yesterday, it was great.

Take a look at the pictures,

http://www.rcuniverse.com/forum/My_n...1120607/tm.htm

plus if you want to see the building pictures,

go to http://www.galip.net/Sig4Star

I will be updating those building pictures soon.