don't get an active DI, if you are ditching the modern amp, you don't want an active DI, it's the modern sound. the passive DI will have a transformer that will give you a little coloration, like a good tube amp would (nothing close, but the parallel exists). passive DI with passive has been happening forever and is the sound of so many hits and records you love. Motown had the Wolfbox, Sigma Sound in Philly had/has their Sigma DI, and on and on.
The passive bass needs active DI is an invention by the music companies to get you to buy more poopie, its bunk. Also its a lot easier to have a bass, tuner, passive di all in your case/gig bag when you go to the studio instead of hauling power supplies for active di and stuff.