Purchasing Questions

Imagine that the Internet and the World Wide Web do not exist. You want to buy a digital camera. You have talked to some friends and they have recommended Canon Powershot SD600 to you. To finalize your purchase, you need answers to the following questions:

1. What alternatives to the Canon Powershot SD600 are there?
2. What features does Canon Powershot SD600 have (size, weight, technical features, etc.)?
3. What does Canon Powershot SD600 look like?
4. How popular is Canon Powershot SD600?
5. Which stores sell Canon Powershot SD600?
6. Which store offers the best base price for Canon Powershot SD600?
7. Which store offers the best overall price (including the time/cost of the purchasing process itself) for Canon Powershot SD600?

For each of the above questions, explain, in some detail, your strategy for answering it. For instance, how would you go about finding which stores sell it (#5), or which store offers the best price (#6)?