I'd ditch the linksys ;-). Currently have an Edimax connecting with WISP to my BT Infinity router at home works a treat ;-). One down stairs the other upstairs giving me better wireless coverage around the house.

http://tinyurl.com/3x3q8ev (upgrade it to latest firmware). You can also pop a 3G usb dongle into this baby which is handy if your DSL is poor.