The math on the Quickdraw's construction works out badly for it - specifically, in that it pays more than the 55-ton mechs for its speed. Then, like all 40-60-80 ton mechs, it gets penalized in the initiative system we have to where an Urban Mech can activate two full phases before it, despite having paid almost nothing for its engines.
And at least at one point, the Quickdraw also had a melee malus applied against it compared to what you'd expect from the weight.
Other than that, it's great.
Overall I really like the translation of the systems, but that some mechs are winners and some are losers is not my favorite part and the Quickdraw is just one example. For example, look at how much the Battlemaster and Zeus are paying to move one additional hex per turn compared to the Awesome (which is worse than the poor deal they were getting in TT based on the rebalancing of the movement curve that HBS did). Well, I say 'look'....actually I'm going from memory as I didn't back up the Beta files; but it's a bad deal for them.