I have this one
http://www.amazon.com/Vidalia-Chop-Wizard-VOWR-2/dp/B000I6JZWA/ref=sr_1_1?ie=UTF8&qid=1355515266&sr=8-1&keywords=vidalia+chopper
and it rocks! It is especially good for onions - no tears. But it's also great if you have a lot of veggies to chop like for a stew. And best of all, it goes in the dishwasher! You do have to clean out the grooves with a little tool that comes with it.