http://www.guardian.co.uk/politics/2010/aug/23/party-donations-record-high
Quick summary:
Donations to political parties reached their highest level on record around this year's general election, it was disclosed today.
A total of £26.3m worth of gifts were reported by 16 parties as having been received in April, May and June, the Electoral Commission said.
The main beneficiaries were the Conservative party, which got £12.3m, Labour, with £10.9m, and the Liberal Democrats, with £2m. ....
The previous record for quarterly political donations was £20.6m, received by parties in January, February and March 2005 ahead of that year's election.