I was looking through the top 100 iPad list and one appeared intriguing with the title "Desktop". It appears to be a workaround for not having full multitasking by letting you have a number of the app's own utilities open at a time, as if they were windows on a regular desktop. For $.99, I might go ahead and buy it, it looks pretty solid.
http://itunes.apple.com/us/artist/aqua-eagle/id285247178
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http://itunes.apple.com/us/artist/aqua-eagle/id285247178