a mate of mine has last years 1080's and absolutely swears by them! They are a sick ski the ride all mountain really well...i have tried them a few times...personally i prefer b2's coz they are a tiny bit wider..but yeh its personal preference
DO NOT BUY 1080s. salomon is by far the worst company ever. and as for invaders and chronics they are 2 totally different skis. invaders are insanely soft and fun as hell in park but can be taken all mounta too. chronics are stiffer so that means better for all mountain.
and u are bassing this on what? Salomon are a great ski company that make good skis nd boots....their 1080's are a really good all mtn, and if u were to get them u would not regret it...u wanna go a step higher? get b2's or b3's u would be even more stoaked wif them!