TaxAct - For the offline MS Windows version of TaxAct CrossOver Linux Impersonator (version 10) is required:
1. Applications -> CrossOver -> Install Windows Software
2. Search for TaxAct
3. Select "TaxACT 2009" or if available "TaxACT 2010" (either work to install TaxACT 2010)
4. Under Select an installer click Choose installer file and find the .exe installation file.
5. Under Select a bottle into which to install select (New winxp bottle)
6. Proceed to follow the instructions for the applications presented, some are prerequisites to TaxAct 2010, then TaxAct 2010 will install
TurboTax 2010 - online version supported, but not the offline version