One day I want to own a set of these....how would these compare to Epon 502's? http://www.ebay.com/itm/NEAR-MINT-YURURI-PROTOTYPE-SHIMADA-KS-3001-3-PW-8-CLUBS-JAPAN-ONLY-/120876306972?pt=Golf_Clubs&hash=item1c24ca121c#ht_588wt_922