A bill to amend the Internal Revenue Code of 1986 to provide for bonus depreciation or an additional minimum tax credit in lieu of such bonus depreciation.

Amends the Internal Revenue Code to: (1) increase from 30 to 50% the rate of the special depreciation allowance (bonus depreciation) for certain business equipment and assets placed in service in 2008; and (2) allow a corporation to elect to increase its alternative minimum tax credit by its bonus depreciation amount in lieu of applying such allowance.