In 1997, the new Labour government inherited a thriving economy. By many measures, it was the strongest in Western world, with inflation low, debt low and unemployment dropping.
By April 2010, the UK economy was arguably the second worst after Greece's. National debt is higher than any time in living memory, excluding post-WW2. There is a good summary of the debt here, together with several clear charts. Debt is also forecast to increase for the next few years by well over £160 billion each year.
Let's put that in perspective: that's more than we spend on education, police and defence put together. If we shut down all our schools, closed all the police stations and disbanded our army, navy and air force we'd still be running up debt under Labour's economic policies.
So, no thank you Gordon Brown. You're a spendthrift. We don't want you to finish the job because we know in reality you would finish the country.