It seems like both operating systems have matured now, and there isn't likely to be major changes until iOS and OSX combine...
iOS certainly is NOT matured. When's the last time you tried typing a research paper while referencing various online articles. Having to constantly swipe back and forth just to finish a single quotation is absurd and represents a failure in the productive abilities of the OS. As a phone OS it is certainly full featured, but until Apple implements some form of multi-app view multitasking, the iPad will be a play toy compared to a laptop.