The Nexus 7 is a great buy but the lack of external storage is a deal breaker for me.
I'm getting one pretty soon too, and I'm hoping that this isn't the case for very light usage. I already have a laptop where I do most of my work. I've been wanting to get a tablet for the simpler of tasks like email, web browsing, reading etc. I'm hoping that the limited storage won't be that much of an issue.
A few people have mentioned you can use USB OTG for storage, is that the case? Storage not so much of an issue then.
Edit - Quick Google search seems to suggest that it doesn't