Replying to Stereo wakeskis are expensive

i found a sweet substitute for wakeskis, since they're so goddamn expensive

http://cgi.ebay.com/Hydroslide-Trick-Skis-Wakeski-Hoppers-2010-Model-/320531794406?cmd=ViewItem&pt=LH_DefaultDomain_0&hash=item4aa12f09e6

i can buy a decent setup for a wakeboard with boots at 400 new... that's decent, not the 'park' model, but the 'standard' setup, but stereo rips me at 580 for the 'standard' i believe... how is wakeskiing going to progress if they're that expensive for the entry model? come on stereo