Ask MetaFilter Roundup [Hive Mind]

• What is the most beautiful place on Earth?
• Getting up early in the morning never seems to get easier. Any tips?
• What are some simple tricks I can use to improve my car's MPG?
• Where's a good, verbose online thesaurus for wandering through words?
• How high exactly can one get on life?
• Does anybody ever regret switching to a Mac?