HOW WOULD A GE2010 VOTER, VOTE NOW?

So you take 10,000 voters from each of the main parties, Conservatives, Labour & Libdems. This is done for mathematical ease more than anything else. and then look at the figures from todays yougov poll.
http://cdn.yougov.com/cumulus_uploads/document/wfv8zfn18c/YG-Archive-Pol-Sunday-Times-results-140131.pdf

Of the 10,000
1,400 Conservative voters Don't know or would not vote
1,200 Labour voters DK/WV
2,300 Lib Dems DK/WV

Leaving 8,600 Conservatives, 8,800 Labour 7,700 Lib Dems who will vote.

8,600 Conservatives
76% Will keep voting Conservative 6,536
5% Will vote Labour now 430
1% Will vote Lib Dem now 86
16% Will vote UKIP 1,376
1% Will vote Green 86

8,800 Labour
83% Will keep voting Labour 7,304
7% Will vote Conservative now 616
1% Will vote Lib Dem now 88
5% Will vote UKIP 440
3% Will vote Nationalist 264
1% Will vote Green 88
1% Will vote BNP 88

7,700 Lib Dems
32% Will keep voting LibDem 2,464
37% Will vote Labour now 2,849
13% Will vote Conservative now 1,001
6% Will vote UKIP 462
9% Will vote Green 693
2% Will vote Nationalist 154
1% Will vote BNP 77

So your new totals are

Labour 10,583
Conservatives 8,153
Lib Dems 2,638
UKIP 2,278
Green 867
Nationalist 418
BNP 165

4,900 Don't Know / Won't Votes