TurboTax for 2016 is available now. Here is a link for the online product: https://turbotax.intuit.com/personal-taxes/online/
Here is a link for the CD/download product: https://turbotax.intuit.com/personal-taxes/cd-download/
With the online product, you must choose Deluxe or higher to be able to enter itemized deductions. You are correct that not all forms have been updated for 2016 yet.
Another alternative would be to use the TurboTax calculator: https://turbotax.intuit.com/tax-tools/calculators/taxcaster/
