I am looking what golf clubs i should get. WIlson, or Tommy Armour?

i am a 6 foot tall medium golfer i shot like 10 over. i go like once or twice a month. i am looking to up grade my clubs right now i have some knight set. i am looking into getting the Wilson di 7 staff set of irons or. the Tommy Armour 845 irons with two hybrids. the wilsons are 219.99, and the Tommys are 199.99. what one should i get any idea.