If I need to file a Form 8960, will I still be able to file electronically?

Yes. TurboTax supports e-file with Form 8960.

See https://care-cdn.prodsupportsite.a.intuit.com/forms-availability/turbotax_fed_online_individual.html

Yes, you will need TurboTax Premier, since you are using online to file.

Thanks so much!  I did purchase Premier…using a TurboTax disc on my Desktop MAC….