Hey bro, I have only had expereince with boldenone undecylenate, traditional EQ. Its been one of my favorite compounds and it's been a staple in my mass gaining as well as cutting cycles. I've heard of various UGLs trying to put together short acting EQ, but it caused a lot of problems and I've never known anyone to have a good experience with it. Cyp is still a longer ester. If your souce for Bold Cyp is good and you have known others to have good results with it, I don't see a reason not to use it. Otherwise, I wouldn't want to be the first of your friends to expiement with it, when tried and true, traditional EQ, made with the undec ester, has been proven to work well. 

With a cyp ester, 10 wks should be enough to see some good results.