He said he took his responsibilities in Wales "extraordinary seriously" and again pledged to appear before AMs.Can't say fairer than that surely?
He also suggested an annual "council of the nations" meeting involving the UK's first ministers and the prime minister.
He told BBC Wales the meeting, bringing the leading politicians in Wales, Scotland, Northern Ireland together with the prime minister, would discuss "issues about how we keep the family of the UK together".
"I want there to be a good relationship between the first minister of Wales and the assembly and the UK Parliament.
"I would make myself available to answer questions in the Welsh assembly.
"I think Welsh assembly ministers should be able to come to Westminster and answer questions and vice versa."
I should have mentioned Northern Ireland has also been included:
The Tory leader also said he wanted to improve relations with Stormont.
Speaking on Monday he said if elected he planned to be "a prime minister for the entire UK".
As delegates gathered for the Tories' annual conference in Manchester he spoke of creating a "Council of the Nations", with political leaders from Belfast, Edinburgh and Cardiff