I have a very rare set of "mint" 15" 4x100 forged Regamaster EVO "forged" mag wheel complete with a brand new set of Toyo T1S tires i bought a couple years ago. (tires have never seen the road) These are 3 times stronger than cast wheels and are 8 lbs in weight, and 20 lbs per corner with tire mounted.
For the serious performance junkie $2200 for the set
pic before new tires mounted
T1S tire 195/55/16 in size