One speaker that might be perfect for your needs would be the RCF 315A

for smaller gigs your going to get a 15" active cab. You wouldnt need to carry the art705 all the time because those 315a are good.

also if you put side by side a 312a and a 315a without looking at the insides or the back panel you wouldnt know which was which.

RCF use the same size plastic cabinet for the 15" and 12" its just the internal driver thats bigger.

the 15" cabs weigh 19kg and you can get them for £800 from that Millenium music.

id say go for them over the 10"

My friend Martin got some just before christmas and ive heard his twice and they are very good.

As for Nexo. I do like Nexo ive heard the PS15s they are amazing. The QSC K series cabs werent my cup of tea tbh.