I want to buy oboe...

hello
I want to ask where can i buy oboe (except tom lee and pak c)
besides ,I want to know how danger if I buy an oboe through ebay ?
the seller is a top rated seller
finally , I want to know the quality of these oboes
1)yamaha yob-441(the wooden one)
2)schreiber 7060(does it have professial??or just student?)
And if you have another brand with good quality(within $25000) ,please tell me over here
thank you very much
LCY