Party claims that total membership is nearing 200,000.
Labour stands to gain if the crisis in the health service becomes one of the major election themes.
But which will benefit the most?
The man charged with wooing voters is more likely to repel them.
It is less clear than ever what the Prime Minister would do with another five years in office.
The Conservatives need to woo 2010 Lib Dem supporters.
One Nation figures have tumbled from the stage.
Former Tory leader will step down at the next election and serve as Leader of the House of Commons until then.
One Nation veteran steps down from the government before he is pushed.