Although I appreciate friendly advice as always, I think you're slightly underestimating the level at which my wife and I are involved in playing board and card games.

Long story short: we're game nuts that are on a first-name basis with the owners of any local game stores, and we have such an expansive collection of board games that it's become hard to find quality games to add pick up whenever we feel like trying something new (although the recent addition of Arkham Horror was definitely a good one).
And although my interest in Magic has never been as high as it was in high school (started playing during Beta block, lost interest when sets like Fallen Empires, Homelands and especially 4th edition felt rather nerfed and unimpressive compared to previous sets, interest didn't get piqued again until Ravnica block), both my wife and I were very much into a handful of other CCG's, including horribly complicated ones like Jihad/Vampire. That's why I was looking at the theme decks for 12th ed as a nice middle road for a new player who nonetheless has a lot of games experience: not as basic (and, to be honest, a bit bland, but that might be because of my own dislike for mono red) as Knights vs Dragons, yet not as mechanic-specific as block theme decks can sometimes be.
Either way, I'm not interested in actually collecting Magic again, though. It's too expensive a hobby for that, and I don't think the game is good enough to dedicate that kind of money to. But it definitely is fun enough for the occasional game, so I might buy the occasional theme deck (maybe even some commander decks if I'm ever feeling crazy, that seems like a fun format) or participate in the odd sealed deck tournament, but that's really about it. I'm also considering giving either Warhammer: Invasion or the A Game of Thrones LCG a whirl instead, because I really like the Living Card Game format: less cost-intensive than CCG's, and you can expand your game in a much more controlled and cost-efficient way. That and I've yet to play a Fantasy Flights game that I don't like, those guys might be my favorite games publishers.