Traveling without a car made us travel with less, slow down, and engage more with people around us. So we had a wonderful time meeting people from Scotland and all over, which was great.
Recognize that you'll spend a bit more time getting between places than you otherwise might, so let go of the rush to "get there". And pack light.
We were in small hotels except for the extra nights we added in cities, and staying in small towns. So... (more)Mark Gurvis