I recently purchased a 2013 Air and the new Time Capsule. Both support 802.11ac. Websites load a bit faster, but so far I haven't experienced any drastic increases in speed. Previously I had a 2011 Air and the previous generation Time Capsule. I don't know if this has more to do w/ my ISP or the hardware I'm using. My down/up speeds average at 32 Mbps down/4 Mbps up and my modem (provided by my ISP) is a Motorola Surfboard SB6121. Also, when I open Airport Utility and check my new Air it says it's connected on 802.11a/n/ac. Is there any way to force ac purely or is this not how it works? Is there anything I can do it increase my speed aside from purchasing a faster plan from my ISP? Would a newer modem make any difference? Thanks.