Do you prefer tactical or fragfest style FPSes?

I prefer Natural Selection. Which is basically both, except the "tactics" are real tactics instead of just making your character insanely weak. You're required to work as a team and plan out your strategy instead of just immediately running off to die as soon as you respawn. If you walk off on your own, you WILL die, no question about it. But, if you know what the rest of the team is doing and where most of the enemy team is, you can come up with a method for assisting your team as well as you can. And honestly, there's nothing more fun than sneaking into totally unoccupied enemy base, attack one piece of equipment, and end up drawing the entire freaking enemy team to you. It's even more fun if you can manage to take out one or two of them before they slaughter you.

Jam it back in, in the dark.