The following is an actual user-submitted question:
Q: How easy/appropriate a site is Ancestry.com for a 15-year-old just starting his research? What are the 15 Countries are covered in the World Deluxe membership? He'd need England, Ireland, France, Portugal and Spain for starters.
A: Ancestry.com is probably the easiest genealogy site to use, and it's also the most comprehensive. How well your 15-year-old will take to it depends a lot on his experience with computers and web sites in general. If he's already using the Internet to check email, search for information, and play games, he'll have no problem using Ancestry.com
Ancestry.com's World Deluxe Plan covers man countries around the world including the United Kingdom, Ireland, Germany, France, Italy, and more. Chances are you'll find all the countries you need covered. There's even a forum on Ancestry.com devoted to Portuguese genealogy.
The best way to find out the answers to both of these questions, is to sign up for the 14-day free trial.