Joined: Jan 2008
Posts: 23,645
Likes: 1,109
From: Mans of NC & SW UT Desert
Bikes: 86 Katakura Silk, 87 Prologue X2, 88 Cimarron LE, 1975 Sekai 4000 Professional, 73 Paramount, plus more
That is a ridiculous cost to convert. Pick up some used parts and do it yourself, or sell the bike and get what you are looking for.
If you are just looking for more hand positions, trekking bars are a good option. In the US, you can get Trekking bars for about $20.