I've just fitted 2 edimax Powerline adpters to me SR 101 router & they have made a difference, my speed tests have settled around the 37/38mbps download mark & and 8.5/ 9+ upload its been steady at this for 3 days now.

EDIMAX HP-5101ES + HP-5102AC AV500 Powerline with integrated power sockets 1 have 3 ethernet 10/100 fast slots 1 have 1 slot easy to rig up on your home power plugs