Just bought them to give them a whirl as I've also been through a couple of sets.Best and brightest ones i have bought are these
I have been through around 3/4 different sets and these ones come out on top hands down.
They only problem is they are a pig too fit as they are slightly bigger so its a very tight and time costly so don't expect a 2mins job.
http://www.ebay.co.uk/itm/370965198...49&clk_rvr_id=763151147865&afsrc=1&rmvSB=true