When U Go, www.whenugo.com

Overall, When U Go is a great site for researching travel to a particular destination. It has a lot of cool features and it is easy to navigate. You can also book your travel from there if you want. It also uses Kayak.com for booking which I like. The site does a good job of determining the best time to go based on cheapest flights, weather, hotel prices, user reviews, etc. Bad points are not enough destination information. I would like to see more involved destination guides added for each location.