A while ago I decided to buy a second hand Blade 130X which came with a good bunch of upgrades already installed. I was on the market for a step up from my old mCPX and at the same time for something which required less bench time than my T-Rex 250 Pro in the event of a crash.
The only thing I had to do was to bind it to my DX8 and go fly the heck out of it. Needless to say, I had great fun for about 25 flights, this machine is awesome: extremely precise, powerful, and crash resilient.
After these first flights though it started to develop a whole series of shakes, wobbles and defects, which made the helicopter unflyable. A quick research on internet showed that everyone incurs in the same problems after a few flights. Apparently the 130X is always in need of love and care because of numerous design flaws from Blade, but when she flies good...boy it is fun!