I'd say it depends on a) how much effort you feel like putting into keeping it running properly, and b) how your engine is built.
Solid lifter setups have their place, and that place is very high (above 6k) rpm use, where hydraulic camshafts simply aren't designed to operate. If you've got an engine that will wind up to 7 or 8 grand and you can deal with the associated lack of low-end throttle response, a solid cam is in your future. If you're more interested in ease of maintenance and don't need to wind the piss out of your motor, a hydraulic cam will be much better for you.