Some of us aren't you 4D.
I think the only drawbacks with the G3258 over something like an i7 are the fact it's not quad core and doesn't have hyperthreading - but then again the fact it's so easily overclockable and the price point (OH THE PRICE POINT) kind of make up for it.
For a Budget Rig Samdy that setup looks pretty nice.
For the type of games I play, most don't necessarily need the multi-core or multi-threaded ability. Ok I dabble in a bit of Photoshop from time to time but nothing that's heavy on the CPU.
Reviews suggest this board & CPU combo can get to 4.3Ghz quite easily, although that will largely depend on whether I get lucky with binning.