I just got my iPad. I have high hopes of using it for "real work" -- eventually. Right now, it's nearly useless... mostly a media player and game machine.
I'm hoping to use it for document creation, editing, management, and distribution. That shouldn't be too hard for a device with this amount of power. But the apps just aren't there yet. The Apple "office" apps look very nice, but their capabilities are basic, and they don't even respect the formatting that's been done in a document on another platform. I need to be able to use these apps to share documents with people working on Macs and PCs.
For the kinds of work I do, the following capabilities need to be added to the iPad. Some of this is coming in OS 4.0.
1. Multi-tasking. I don't miss it on the iPhone, but with all the real estate on the iPad screen, I'd like to be able to have more than one thing going on at a time. My feeling about the effect on battery life is: Let me make the choice. If I want more battery life, I'll only run one app at a time. If I want more utility, let me have the option of running additional apps. If it costs me half my battery life, that's my problem.
2. File management. I need to be able to copy files on and off the iPad independently of apps. I need at least one folder where I can store files, and the SDK needs to allow app developers to access that folder. That's a well-established model for document management. It allows multiple apps to share the same documents. The way the iPad OS is now, I feel like I'm working with my hands are tied behind my back. Where's the ease-of-use in that?
3. Printing. Come on, Apple. We need a way to print from the iPad. This is not a phone. This is an information management device. I realize they don't want to load it up with gigabytes of print drivers. No problem... put a couple of common drivers on it, and have a mechanism where users can get drivers either from Apple or from printer manufacturers, if they support the iPad OS. Yes, this works better for a tech-savvy user, but some of us have that ability. We shouldn't be locked out from benefitting from our skill.
4. More work-oriented apps. This isn't Apple's problem. If there is demand from users to do work with the iPad, then developers will fill the void. Some apps will be better than others. Apple should not tie their hands any more than necessary. (This is my general philosophy on just about everything in the world: Don't make things any more restrictive than they need to be.)
If Apple could find a way to implement something closer to OS X on a device in the form factor of the iPad, I think it would be much easier for developers to create work-oriented apps for it. Think of a MacBook Air without the keyboard, where the OS supports touch control.
This would not limit the existing capabilities of the iPad at all. It would just make it more useful to more people. I hope it evolves.