Pensions Minister Steve Webb is of no use whatsoever, in my recent experience.
My MP is being very helpful.
Have you written to yours? 
They are unlikely to help if you don't write to them, you know.
The BALPA initiatives are commendable. They deserve our full support. Be warned, though - they won't keep attacking on your behalf without your continued support.
As for future elections, Labour's Brown taxed private pensions out of future existence, the Conservatives didn't reverse that and Steve Webb and Vince Cable are Lib Dems.
UKIP? 'Nigel Farage' is worth a search of YouTube if you aren't familiar with the UKIP leader's views (or style).