Don't panic, we're going organic. Well, this week, anyway. It's time to grab that shopping list and see whether Whole Foods Market (NASDAQ:WFMI) rings up for you.

Some would argue that the company's pending merger with Wild Oats (NASDAQ:OATS) will help Whole Foods improve margins at its struggling rival. Others feel that too many traditional supermarket chains like Ruddick (NYSE:RDK), Great Atlantic & Pacific Tea (NYSE:GAP), and Ingles (NASDAQ:IMKTA) are expanding their shelf space of organic foodstuffs, eating away at the necessity to drive out to Whole Foods.

It's a Stock Advisor recommendation, so there are obviously a lot of Whole Foods believers around, but not all Fools agree. Tim Beyers accepts that Whole Foods may seem pricey, but he's still bullish on the high-end grocer. David Meier feels that the company's free cash flow growth prospects don't match the high sticker price, so he's bearish.

Duel on!