Box.net, a provider of free and premium web-based digital media file storage and sharing, has raised $1.5 million in a first round investment from Draper Fisher Jurvetson. The company says it reached a milestone of 500k registered users…the interesting part is that the storage service can be integrated into other services Netvibes, Goowy, Pageflakes, Google Homepage, and Live.com. More details in release here.