Would this man purse be like the Jack Bauer bag, minus the gun and other cool gadgets. Then I say go for it.
I wish the iPad could replace my MBP. I work from home and use my MBP to login to a Virtual Desktop at work. If I can get the iPad to do that, then I can see the iPad replacing my MBP on those days when I feel like the walls are closing in on me and head out to a coffee shop to work. Given that I'm unsuccessful in accessing the Virtual Desktop with my iPhone, I suspect that I'll have the same issues with the iPad.