Wireless-N  802.11n (up to 150 Mbps)
  Wireless-N uses multiple technologies such as MIMO (Multiple Input, Multiple Output),
  which utilizes multiple radios to transmit and receive at the same time to
  maximize wireless networking performance. 
Dual band routers (2.4 and 5Ghz) G-Gigabit wired connection,
NAS-USB for Network Attached Storaage (Hard drive)
                                                     cnet  
Netgear N600 Wireless Dual Band Router WNDR3400 $90     4
Netgear WNDR3700 RangeMax Dual Band Wireless-N  $140    3.5
Vizio XWR100 dual-band wireless router          $60-80  4
Linksys E2000 Advanced Wireless-N Router       n $85    4    (fastest per cnet) 
Linksys E3000 Advanced Wireless-N Router       y $85    3.5 (NAS slow)
Linksys WRT610N Simultaneous Dual-N Band        $140    3.5
Netgear WNDR3700 RangeMax Dual Band Wireless-N Gigabit Router (Premium Edition)
Belkin N600 HD                                            (USB 12 Mbps transfer rate)
Single Band
Belkin N+ Wireless Router                        $85     4
D-Link DIR-655 Xtreme N Gigabit Router           $85     3.5
Cisco Valet Plus                                 $100    4

Links:
IEEE 802.11 - Wikipedia,
Wireless Networking bandwidth - configuration


last updated 2 Mar 2011