I've been using .Mac/Mobile me for quite sometime now and while the service is far from perfect, it does have some great features that are used daily. Keeping my mail, calendar, bookmarks, and contacts all in sync between my iMac, MBP, iPhone, and iPad is worth the price alone for me. I can seamlessly transition from one device to another for the most part and still have access to the information that I use daily.
Because I'm constantly using one of the above devices, I rarely, if ever actually use the MM web interface. iDisk has proven useful for keeping important documents handy, but it is far from perfect. More then anything, it's extremely slow, especially when dealing with larger files, like .psd files which I use often. And, I am still waiting for an iPad version that makes better use of the real estate.
For $99 a year, I expect more from Apple and I am optimistic that once the data center is up and running, we will start to see a stronger presence from Apple in the cloud realm. There are a lot of fantastic ideas here as to where things are going and I can only hope that Apple is following the same train of thought.
For me, I would very much like to see total integration of Mobile Me's services, iWork, iDisk, and iTunes - making the transition to devices where local storage is secondary to cloud storage. Why shouldn't we be able to have one library for everything to access? My Apple TV should be able to access the same media libraries as the rest of my devices, regardless of location. And should I be traveling or in a situation where cloud access is completely impossible, I'd like to be able to keep a few local copies of whatever media I want to consume on whatever device I am using.
I just made my first trip with my iPad. Forgoing wifi access on the plane, I chose to instead download a ton of articles and white papers I simply hadn't had time to read with Instapaper and Goodreader. Worked like a charm, and I split my time watching Zombieland and reading some great articles from a few of my favorite sites. Problem is, everything feels like a workaround. I like Apple, because I actually enjoy and appreciate their closed ecosystem. Jobs said it best - "It just works...." Well, not yet, but I am hopeful. I don't want to have to think about how I am managing my media/data - it should all be accessible, anywhere, from any device, at anytime.
It's Apple. If they can make the iPad, surely they can offer us an innovative solution for storing and consuming all the content we are creating and collecting.
Sorry for the long post.