Selling: 90 never been used SoundWell rotary encoders. Bought last year here in a bulk. 75$ USD for the package. + shipping (15$-20$). I'll ship the same day. Paypal. Same thing : http://www.midibox.org/forum/index.php/topic,13197.msg113131.html
I used The Omron R+G last year for my pcb test montage. They are very smooth and nicely built. http://farm4.static.flickr.com/3217/2761673706_a7a2129060_b.jpg
They keep a few more in stock for samples or else. Btw, the orders are not limited to 100 pcs, 200 pcs etc.. you can order 101 pcs or 123 pcs or 231 pcs etc...