I was messing around on the bay and ended up coming across these two. I ended up being on the winning side of the 5/8 square point (the second link). I was eyeing the 3/4 square point but the price kind of took me back a bit. Any advice from you guys out there I can make a deal with the seller for the other if need be but I figured what I paid was pretty reasonable for a mint duck. Is there that much of a different between the two size I am newer to SR and am trying to build a nice collection, I got the RAD.

http://www.ebay.com/itm/DUBL-DUCK-GO...ht_2065wt_1348

eBay - New & used electronics, cars, apparel, collectibles, sporting goods & more at low prices