Geissele triggers rock. Watch for sales if your not in a rush.
Personally, I'm happy with the G2S trigger. Picked one up on Black Friday for $115.
I agree - but they are expensive, unless you catch the sale.
This is also a good trigger, and currently under $100 delivered. I've used several of these with good results:
https://rockriverarms.com/index.cfm?fuseaction=category.display&category_id=294