That's probably the best possible outcome, considering.
But I wouldn't write off an historic Tory landslide. The headbanger shock troops are so very, very angry they're much more motivated than the normal people, and turning out in their tens or hundreds may be enough to swing the key marginals, especially if they can take Mr & Ms Protest Vote with them.
I still think that the important vote with a small electoral turnout will be the UKIP vote. that has a possibility to throw a spanner in the Tory works. Any idiot can face a crisis - it's day to day living that wears you out.
Have to find where those headbangers are. If they are all concentrated in Tory-anyway seats it don't mean much. Winning seats by 8% is a waste; need to truck some of those voters to other districts. ;-)
This is, in fact, exactly where national polls fall down for predictive purposes.