I have not used their routers but i certainly would not recommend their Wireless extenders or their wireless dongles they are awful.
For a little more money its worth spending on a better well known brand atm im using the ASUS AC66U and its a cracking piece of kit.
AMD FX-8320 X8, MSI 990FXA-Gaming, 16GB DDR 3 Cosair Vengence 1600Mhz, 9351.1GB Hard Disk Space, 2GB ATI R9 270 OC PCI-E 16x Graphics, 750watt PSU.
Ex AOL Dialup 56k Customer....
Ex Freedom2Surf 512k and Ex Eclipse Internet 2mb Customer.
Virgin Media 152mb Cable.
Virgin Media R EVIL!!!