I think you have something backwards. The N is the fastest , the A the slowest.
As I understand it , the dual band Routers have one band optimized for Video apps such as Netflix , the other band is for normal apps like email , ineternet , etc.
Now I got this info because I just set up to get Netflix on a new WiFi built in Blue Ray player. I am using an older Linksys router but the companion router, if I were to buy a new one, for the new WiFI Blue Ray is a dual band router.
So anyway , the part about WiFi is correct , the part about the A vs G or N router is not quite accurate. Also , almost all routers are downward compatible so even if the new dual band is N , it will work with a G router and even a B router . If B though the downloads would be noticeably slow. G is not bad and my new Blue Ray player that prefers and is N does work fine with streaming video using the G linksys.
Anyway , I see a few N dual band routers lately. One is only $49 and that's not on sale. i may buy a new one for N capability if they put that $49 one on sale.
BTW , the best router I ever had is the linksys. the Linksys hardware is excellent although I have to say that after the one year warrantee , they want $30 buck to answere the simplest of support questions. With a new router at $49 (and possibly 29 to 39 on sale) there is no way I would pay their $30 1 time support charge. On top of that the service guy is some Indian with the deep accent who i am sure knows his stuff but you have to keep asking him to repeat what he's saying do to the half indian / half british accent thing. What really bugged me is the $30 is not even for a year of continued support. Its a one time , one problem charge!! Screw them!
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