Using iTunes & iCloud with just iOS devices

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I am wondering if anyone out there who uses an iPhone and iPad (and even iTouch), does NOT use a PC or Laptop, but utilizes iTunes and iCloud and the syncing abilities between you iOS devices? I have had an iPad for a few months and an iPhone for over 2 years. I also have a MacBook Pro, but I've come to the realization that relatively soon (when my company enters the 21st century and starts using electronic timekeeping, currently using Numbers to email my timecard) I will not really have real need for a laptop. Everything else I use it for, I could feasibly go without my laptop.

My main concern is iTunes. I know iCloud syncs everything pretty seamlessly. Just wondering if anyone does this and if so, your thoughts? Does it work well? Does it not work well? Thanks in advance...