Same here on the larger display preference but then I have my rMBP hooked up to an external monitor. It gives you the best of both works, large display while not needing the mobility but having that available
I still have a desktop in the household, my kids Mac Mini and I suspect I'll get another one (I have two kids and one Mac Mini - you do the math

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my wife wants a AIO PC but not an iMac so for Christmas I'll probably get her one of those as well. To summarize my household is divided between desktops and laptops though I'm a tried and true laptop user