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I already had the palm and a PIC programmer so....
2 X encoders @ $75 ea
1 X PIC16f84 @ $10
1 X case @ $12
1 X PCB etching kit @ $22
1 X Press & Peel Blue @ $35
misc other electronic components $15
1 X palm serial/usb cable @ $36
I also have a telephone cable lying around which I'll use to connect the encoders.
The only other expense will be mounting kit for the encoders. I still haven't decided wheather to build or buy yet
$280 so far, keeping in mind the etching kit, press & peel and serial cable will be used for other things
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