I have been playing the Quickdraw a lot lately in preparation for adding it to 80Bit's Review of All Mechs. Yes one screenshot does not a trend make, but I am finding the Quickdraw a great performer overall. I am amazed by how quickly it faded into obscurity after release. It may be big, but the mobility that jumpjets bring to the 60 ton class have made all the difference for me when comparing the Quickdraw to the Dragon. The QKD has the speed and mobility to avoid a lot of damage that the Dragon ends up taking (literally) on the nose.
In the above match, I was able to repeatedly circle the front line, landing 1-2 alphas on an enemy, getting their attention, and then getting out of dodge before they could really punch back. The match did not look like it would be a steamroll at the start and actually lasted a while, and the whole time I was able to hit and run.
I am getting an average of ~350 damage a match with 500+ matches fairly often. For those who gave up on the Quickdraw early on, I suggest you give it a fair shake, it can definitely perform.