Dunno why, but I think that Ireland, Wales and England may all end up with 4 wins and 1 loss. Ireland to beat England first up, England to beat Wales (urgh, that wasn't nice!), but Wales to beat Ireland on the last weekend. It'll come down to bonus points then, so no idea what the final standings would be!
If Ireland and Wales are unbeaten come the final weekend, I would maybe back Wales at home. History has often proven that a Welsh team on a roll can be a little unstoppable in the 6N. I know this Irish team are a class above any opposition we've faced in our previous championship winning years, but I'd still fancy our chances. I don't think it'll happen though.