Backtothere :
Nuclear101 :
Yes and no. 2gb is more than enough for 2-3 more years. However, get the 4gb version. The superclocked version is just an overclocked version with half of the RAM, same specs otherwise.
Will the higher GB graphics cards be cheaper in 2-3 years than the GTX 780 is now, I didn't get the 4GB version because it wasn't on sale so I couldn't afford it, got the superclocked £100 off. Also if I get the classified version later and use SLI with my 2GB card will it bump up to 4gb, stay at 2gb or go inbetween with 3gb?
My suggestion would to go with a gtx780. While it only has 3gb, it performs much better. Memory size doesn't mean quality, it means quantity, So a 770 with 4 gb does 1 unit of processing/unit of time. It can do up to 4gb worth of these processes per unit of time. A 780 with 3gb does 1.3 unit of processing/unit of time. It can do up to 3gb worth of these processes per unit of time. Thats a very rough analogy for you. I would go with the 780 right now because it will allow for future updates as well as it is newer than the 770, so it will become obsolete later. If you really want to make your gpu last, go with the gtx800s in february. They will cost a fortune but will last about 1 extra year than the 700s.
Basically go 780. But don't take my word for it, double check with other sources as well. You never ever want to ask only once for things greater than $150.