I've tried both ways and have gone back and forth over the years[&:]. I'm back to using a SitnClimb again and don't currently have both setups due to all the $$$ wrapped up in both. My pros and cons to each:

Climber
Pro- Packs light, flat, easy to carry, quiet, safe.
Con-Finding a suitable tree in desired spot not always easy

Sticks and hangon
Pro- Packs good, usually provides a few more options as for trees in chosen spot
Con- Still have to fasten sticks and hang stand, but using the easy hang system is nice, makes hanging stand easy and safer.