Don't know why I'm bothering, but...
Ad from National Taxpayers Union. A later press release with a similar subject is here.
Could you find a larger number of professional economists that think Bush sucks? Probably. In the strange world you live in where only people with academic degrees in economics can possibly know anything about how the world works, I could probably easily locate more leftist university-type economists than conservative ones. But you can see that there are at least some that agree with me on tax cuts. Too bad Bush isn't doing so hot on the first item.
Special bonus ads of this type on the estate tax and a press release on dividend taxation can be found here, and here.