Re: I'm glad my cell phone isn't smart...
Cardio versus resistance depends on what results you're looking for and what you're doing that requires training for.
While I like resistance training, and it's pretty good for all round stuff, if you're planning to be doing something endurance based then you need a fair bit of cardio too.
It's also very easy to do resistance training "wrong", where you fail to isolate muscle groups, or do too few reps on too high a weight. Or sticking to machines for stuff that really needs free weights. Cardio is (for the exercise benefits) hard to fuck up, and has a different class of poseurs.
For me, I needed to count to 25 for the reps, and to 4-5 for the sets. But I was seeking conditioning and staying flexible rather than just adding power. Also means that I keep my lean (slow twitch) muscle for years afterwards, whereas the big showy fast twitch muscle falls off after about 3-6 months of not doing regular gym work.
I ran mainly because the sport I was playing involved lots of running. So to train for running around for a couple of hours the only real practice is running. Did like swimming for cardio and resistance when my knees where giving me grief.