I thought Axl was maybe just a bit out of practice. (maybe?) I thought the band did fine (as Axl said "they were very excited to play this stuff" ... as any musician with talent would love to perform as a member of GNR... well many musicians hehe)
The faux-slash didn't look like he was into it at all.

I think he was also extremely excited... which lead to him sometimes not having the microphone close to his mouth... haha.
The new material was weird... but I thought it wasn't bad... just something new for Axl. (sampled music... weird!)
Regardless, it was cool to see/hear GNR again. (though I think conning slash into joining again would make it outright perfect) GNR was a powerful force in the 80s and early 90s and to this day I enjoy owning/listening to their cds.
I am hoping for the best but I know that I shouldn't have any expectations at all.