Looking at polling about the surplus late in the 1990s, I was slightly surprised to see how much of a generation gap existed over how it should be spent. When the question was first polled in January 1998, 57% of Generation X wanted it spent on domestic programs in general, while older voters wanted it spent on Social Security and Boomers divided evenly.
http://assets.pewresearch.org/wp-content/uploads/sites/5/legacy-pdf/98.pdfThose numbers didn't change much later that year.
http://assets.pewresearch.org/wp-content/uploads/sites/5/legacy-pdf/84.pdfShortly after Bush was inaugurated, Pew asked the question again and found the divide still existed.
https://www.pewresearch.org/wp-content/uploads/sites/4/legacy-pdf/17.pdfAs we all know, Gore choose to side with elderly voters by promising to spend the surplus on a "lockbox" for Social Security. This move backfired, as he did pretty much the same as Clinton with seniors while losing substantial ground with youth (some to Nader, others to Bush). The surplus divided Democrats rather than uniting them. Making matters worse for Gore, the surplus also revived Republican demands for radical tax cuts, which clearly helped Bush.
I think that if there had been no projected budget surplus Gore would have won the election.