I'm surprised by the numbers you guys peg middle class at! Combined the girlfriend and I make about $140K per year (I know bad form to just say it). Yet I feel as though I'm about as solidly in the middle class as they come. Of course, middle class in the DC area is probably a little higher than elsewhere. We worry about any purchase over $100!

Concerning Taxes:

Most of the arguments I've seen above are only partially informed and oversimplify the argument (not that any of them are wrong, just incomplete). It took a hundred or so years for the Economists to even get to where they are today on the topic and they still cannot agree.
There is a theory called the "crowding out" effect that states that fiscal (read government taxation) economic policy is ineffective without a complimentary monetary (read Federal Reserve) be enacted to support it. The supply side economics of Reagan (which seem to be very similar to GW's) have largely been regarded as non-optimal and served to create greater income disparity.
In all reality, fiscal economic policy can do very little to influence the recession boom cycle which is natural and will always happen.

Amen to the calls for less government excess and pork barrel spending but thanks to special interests that's something that will never happen.

Do I have an answer to what should be done? No, because I have not done the requisite quantitative analysis to determine how the proposed tax cuts will affect debt levels and the economy, and neither have any of you. If you wish to argue about something at least make it substantive. I haven't even seen much anecdotal evidence cited here much less anything truly informed.

Its great to have opinions, but opinions alone aren't going to change someone else's.