Easy Travel to Other Planets (An Ongoing Series)

Can we travel to other planets? Will the expense (or the transit times or the awful aching black) overwhelm us? Charles Stross considers the concept of interplanetary and interstellar travel and colonization.

This has (naturally!) generated a lot of talk among fans of space travel, science fiction, etc. Here's an excellent entry from Centauri Dreams, Paul Glister's site. Check out his book!