Where will you be using it? Low level, high level?
Budget?
Do you use trekking poles?
Pitch fly or inner first?
Lightweight these days is up to about 1.3kg.
2kg is rather heavy.
Head over to the Backpacking section and also check out reviews on here for Durston, Alpkit, Vango, F10, Naturehike etc.
We all have our favourites and will be happy to do recommendations.
------------- Hypercamp Alaska
Vango Force 10 mk3
Vango F10 Helium 1
Coleman Cobra Pro 3
Coleman Cobra 2
Naturehike Star River 2
Eureka! Solitaire
Dutch army goretex bivvy bag