Buying a New Bed? i am planning on buying a new bed i shopped around...

i am planning on buying a new bed i shopped around a moment or two bit and i seen a few bed i did like including the tempur-pedic bed but i hear alot of bad things roughly them do you own one and how would you rate it from 1-10 10 being the best and would you recomend others to carry a tempur-pedic please help