It'll be a stretch for Dropbox to be valued like Atlassian given how the product offering is 98% the same as box. Also, the fundamentals are startlingly different. Atlassian probably makes a lot more per paying customer, with a large base of enterprise and smbs. They also have a much larger % of paying customers.<p>Like it or not, Dropbox is a bigger Box, so the P/E will likely resemble Box. I'm guessing $8B to be a realistic valuation, given larger revenues and lower costs. But it's certainty a down round