Reply to Traktor sync or normal beatmatch

Hey guys,

Tried to search this topic since I guess it's a pretty common doubt but couldn't find anything.

I'm returning to djing and this time as a digital dj. My ideas are to mix rock, disco, funk, nu-disco... things around those. So, here I was believeing, Traktor sync or normal beatmatch?

What are the pros and cons of each?

As I see, Traktor sync:
- CON: Needs beatgrid for each music. That's homework and you can't use the tracks on other Traktor computer because it won't have the beatgrids (is this right?)
- CON: For some beatgrids is necessary a previous warp on Ableton or a lot of work on Traktor
- CON: Some people like to beatmatch
- CON: Too much unnatural? (what do you believe?)
- PRO: More time to see what's going on on the dance floor or maybe use effects or just choose the next songs (this may be a con also since you don't have much to do then ehehe)
- PRO: Better loops and cues (you don't risk to fail a milli second)
- PRO: Controllers without jogs and 100mm pitch faders (unless for some songs that are just impossible to beatmatch and sound natural but I guess that those would be fine with a pitch knob)

What do you believe?