general opinions about arrow shark

[RIPFENCE]

anyone use arrow shark products? i have a tbar oiler that works ok but what about rudders and drives? are they decent quality or is it just overblown with fancy looks...

thinking about this rudder

http://www.ebay.com/itm/Arrow-Shark-2012-X-Pilot-Fully-Extendable-Rudder-R-C-Boat-Part-Auction-0-99-/251091635245?pt=Radio_Control_Parts_Accessories&hash=item3a763a4c2d