Must haves - color in ceilings, walls, floors and accents AND awesome porches with purpose. In the South we grow up with awesome porches. I would LOVE an awesome front porch and an even more amazing back porch.
IKEA Hackers: Wall of EXPEDIT: Workspace Plus Storage Plus TV. Love this idea for playroom upgrade - room for 2 kids, plus room for small TV and chair. Lots of storage. Desk can be used as wrapping station too.