> Not buying it. Most people can deal just fine with spreadsheets, which are the epitome of high density UI. I bet you're thinking about people who have used s

> Not buying it. Most people can deal just fine with spreadsheets, which are the epitome of high density UI. I bet you're thinking about people who have used spreadsheets before. You might even be thinking of people who use spreadsheets weekly or daily. Try putting them in front of a new user, and you will be shocked. As someone who has performed many usability tests, I can only think of one person who said "I wish this was more dense and complicated", and that fellow sticks out because he is the exception who proves the rule that almost everyone wants it to be simple and above all clear. Most of the time, people just want to know what they should be doing next, and everything else is a potential source of confusion.