Is 16 enough????

Well thanks to the many ehMac contribbutors I have decided on buying an iPad over the MBA. I like the form of the ipad and i know it will meet my needs. I also now know which keyboard to buy for it ( thanx Screature ). So the question is size...is 16 enough? I don't download much, might have a movie or so for a short time, and probably very little music, just holding lessons and notes. Would appreciate input from users on this, thanx

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