I popped up to Camden on Saturday for the Sinn Fein conference on Irish Unity, which it appears is a prelude to the creation of a new solidarity group in Britain.
The most interesting speaker was Coleraine Councillor Billy Leonard, who talked about the implications of Scottish and Welsh devolution for Ireland, the decline of Britishness and the contrasting growth of the all-Ireland dynamic.
This was an important theme, but there was no great sense from any of the speakers that the Irish in Britain could play a role in shaping that wider dynamic. The planned solidarity group sounds as if it will be mainly focussed on supporting domestic election campaigns.
One exception was John McDonnell who suggested that supporters of Irish unity need to rebuild their position in the Labour Party, following it's decision to organise in Northern Ireland.
In my view, one of the the most effective things the Irish in Britain can do for a united Ireland is to bring their perspective to bear on the constitutional debate here.
If Irish nationalists are currently missing that opportunity, the same may be true for unionists, according to Mick Fealty: