Make a capital gains reporting software so people can pay taxes on spending coins in a bitcoin bull market
Clever.
I feel with all of the media and press attention surrounding bitcoin and the IRS, and with that attention only continuing to grow as the currency evolves, this page will likely be relevant, and also rank very highly on Google searches do to the page rank system weight on domain alone.
Basically people searching for IRS and bitcoin would likely see this in the first few results, which means enormous traffic potential.