Being torn between teleportation and time travel, the TARDIS.
Heck, that's probably how they advertised it back on Gallifrey:
"Why choose between space travel and time travel when you can have both? Drive a WHO Industries Type 70 Mark 1 TARDIS. Carefully and meticulously hand sculpted and hand grown from coral over the centuries, the new Type 70 offers a smoother, more robust and faster travel through time, space, and relative dimensions, and now features the ability to smash right through a temporal distortion grid, when before required a tough navigational solution. New added comfort and style and a harder to break and all around better camoflogue system round out this spectacular new model. Buy or lease today from 707,000 timemarks."