QuickSync isn't really missing, per se. It doesn't work if you have a discrete GPU installed, and nobody running one of these chips wouldn't be running a discrete GPU. Ergo, freeing transistor budget for cores, rather than a most-likely-never-used GPU. was an intelligent choice.
Other than that, 2600k, Bulldozer or March's Ivy Bridge are better buys for a variety of reasons. Gamers should seriously consider giving this one a pass and putting the cash into a better GPU, where real performance can be found.
Comes down to what you're looking for, I think. When it comes to raw performance, this chip isn't really ahead of the 2600k in any appreciable way (as an example), unless you have a specific need to explicitly utilize all six of SNB-E's cores. If you have no need, then you're probably a gamer: the 2600k and Bulldozer are simply better values.
The money saved on not buying SNB-E can be dumped into better GPU, which will offer more performance than could ever be had by going with SNB-E over BD or 2600k.
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Other than that, 2600k, Bulldozer or March's Ivy Bridge are better buys for a variety of reasons. Gamers should seriously consider giving this one a pass and putting the cash into a better GPU, where real performance can be found.
The money saved on not buying SNB-E can be dumped into better GPU, which will offer more performance than could ever be had by going with SNB-E over BD or 2600k.