If I had the cardpool to being playing Standard right now, I'd totally be playing some UWR combination. U/R is my favorite two color combo, and UWR/UBR are my next favorites. I'm glad to see UWR is good for a change.
On an unrelated note, calling back to our previous discussions about new players. A few friends got into the game and kinda pulled me back into playing. I had gutted my collection about a year ago, so I just put together a modern legal to play against them. There's a multiplayer casual night at a local bar on mondays. They play casually, so format is kind of irrelevant, but I wanted to limit myself to modern to help handicap against them. So, I made my favorite kind of deck with the cards I still had leftover, a U/R aggro-control, lots of instants (counters/burn) with wee dragonauts/ninja of deep hours. Tricky with lots of card draw, basically. Good for 1v1, need to make changes to bring it into multiplayer (need some isochron scepters, I think).
Anyway, point is, that even the players who started playing that had never played before, figured out within a week of starting how much m14 sucks compared to the ravnica block. They already think m14 is boring, having JUST LEARNED TO PLAY A WEEK AGO. All the splashy effects in ravnica draw them to those sets and those are the boosters they are buying. If that doesn't show you how much they need to change m14, I'm not sure what can. A lot of people that are drawn to playing magic, are naturally smarter then average or at least like to figure things out. Two of the friends started with splitting a duel deck product and then took each deck and improved it as a starting point.
Seriously, the duel decks and maybe an improved version of the deckbuilder toolkit thing (honestly, I'm unfamiliar with the current one, but I hear very little about it) is a better way to introduce players to the game then the current core sets. Especially since they rotate more often then expert sets. They really need to rethink their approach to core, the redesign with m10 was a great step in the right direction, but they need another one just as drastic before they really nail it.