TTT...I have tried your link above again and it gives Labour at 36 and the Tories at 33....ie a 3 point lead. Are we talking about the BBC Poll of Polls ?
(http://www.bbc.com/news/uk-politics-27330849) It could be that the BBC have added some more data to the link since you posted earlier. The average Labour lead over the Tories over the month of July according to this link is 3 points.
Electoral Calculus still gives Labour a 48 seat majority, at the end of June, up from 28 seats at the end of May. Site still not updated though.
You haven't posted any YouGov Polls today, but Electoral Calculus gives Labour at 349 seats and the Tories at 249 seats. This Pollster takes every seat in the country into consideration, and the Tory majority in the seats that Labour need to win obviously differ from place to place.
In common with all Pollsters, they expect UKIP to get no seats but have taken into account that most of the few votes that UKIP will get, will come mostly from the Tories. Also its apparent that the huge loss of LibDems seats that is expected next May, down by 2 thirds, will result in more new seats for Labour, rather than the Tories.
Sqad...While the Labour position could and should be stronger, as long as the Tories fail to get ahead, Labour will, by default, win the May 2015 election. especially when you take into the account the rise in UKIP and drop in the LibDems. I am far from saying that Labour can rest on its laurels, but dave is defending a not very strong position. He has to watch over his shoulder not only Labour, but UKIP as well, which no party has ever had to before within living memory.