Welcome to the forum, I think we can all agree in falling into this hobby the way you have lol. Before I knew it, I had over 10 heli's and now I have more planes than I know what to do with. If there is anything we can do to help, just let us know.
As for the instruction manuals, they are located by clicking on the Articles button above in the nav bar, and on the left pain click on Instruction Manuals. Or for the 450 Pro TT, just click the link below.
http://rc-help.com/files/450PRO.pdf