i found a mouse

[jdc]

you can use ANY USB mouse on the planet -- target, bestbuy, staples, office whatever all have some to choose from

here are 175 to choose from, $10 - 20

http://www.newegg.com/Product/ProductLis...Submit=ENE&N=2000290065%204093&bop=And&Order=PRICE

FWIW, you have been able to use multi button mice on macs for at least 15 years