How do you feel about moving out to the village in the future?
I am so
about this wonderful idea!

Сразу много вариантов (все грамматически верны) :

I am so worried about this wonderful idea!

I am so excited about this wonderful idea!

I am so anxious about this wonderful idea!

I am so crazy about this wonderful idea!

I am so curious about this wonderful idea!

I am so passionate about this wonderful idea!