The increase in produce prices is being blamed on the deep freeze they had in Mexico a couple weeks ago, but I'm sure some of it is just price gouging. A year ago I could find Roma tomatoes for .79/lb. This year they've been around .99/lb, until the last couple of weeks--now they're about 2.00/lb.
For those of you thinking about trying gardening, look into square foot gardening. Also a couple of books I found recently are "Carrots Love Tomatoes" and "Roses Love Garlic," or any other books by Louise Riotte. If you're like me and live in the suburbs with a small lot, these ideas will help you get the most out of the space you have. Also Google "urban homesteading." There are a lot of blogs out there by people who garden in the city.
With everything that's going on in the Middle East and Africa right now, they are predicting skyrocketing gas prices, too. My husband and I filled our vehicles (a car, a truck and two scooters) and all our gas cans last night. Our plan is to keep the gas in the cans for as long as we can. Fill up the vehicles every day to insure we're getting as much gas as possible for the lowest price. Then when the price hits a plateau, we will use the gas in the gas cans to help ease the pain of the highest prices, and hopefully wait it out til they drop a little.
Not trying to be a doomsdayer, but I really would encourage everyone to stock up your pantries and other non-perishables, maybe even try to get about six month's or a year's worth of food on hand. All signs point to things getting worse (read: groceries getting VERY expensive) before they get better. And if I'm wrong, then you just have a well-stocked pantry :)