We found some sites to help you with playing "Settlers of Catan" Some will help you set up your board , and there is even a program that will role the dice for you fairly and keep the stats on the roles.
This is the site of Mayfair Games the makers of Settlers of Catan. Here you can order what ever expansions or extentions you need. Maybe you have played the game so much you need new cards they have them too. They also have a Online version you can play. www.playcatan.com
At this site there is: Board Builder, Fair Dice Roller, & Scoreboard. The "Board Builder" will build a board for Settlers of Catan, Settlers of Catan 5-6 player Expansion, Seafarers Extension, Seafarers 5-6 player Expansion, Cities & Knights Extension, & Cites & Knights 5-6 player Expansion. The Scoreboard is nice you can have it up while playing to see where everyone lies point total wise. The dice roller is nice because you don't have to look for the dice on the floor or worry about people trying to get the dice to land the way they want.
At this site there is a Board Generator. The "Board Generator" Settings are: Normal Distribution, Fair Distribution, & Random Distribution; Standard (3-4 people), Large (5 people), & X-Large (6 people); you can change the numbers around or change the harbors around; or even create your own board, there you pick where the water and the land will be and then it will generate which resources go where.
At this site you will find a downloadable "Settlers of Catan Board Generator"
At this site they have a carrying case which also opens up to hold the hexes in place while playing. The case is called the "Vagabond" It has places for the cards, tiles, pieces, and rule books.
At this site you will find answers to questions about Settlers of Catan, Strategy to win and other helpful things.
Here is a nice story of the maker and the creation of Settlers of Catan.
At this site you can play online if none of your fellow board gamers are around to play Setters of Catan with.
At this site you will find some things like a foldable board to use to play settlers on so your pieces don't move on you, or maybe instead of cards you would like to have the actual resources that you earned they have wooden pieces to match each of the resources.