"The question is, if you didn't have your Fire, would you spend your $200 on the Nexus or a Fire?"
Honestly that depends,
android 2x apps automatically Android 4.1 compatible as of this writing??
IQuran pro ( non negotiable!!)
Comic reader mobi( CBR reader)
perfect viewer(CBR reader also with different features)
Mobo player( multi-format video player)
Aldiko pro (Epub reader)
Quick office pro ( open& edit& resave MS office docs)
Learn Iqra (Arabic language learning app)
If" Jelly Bean" causes me to lose usage any of these particular apps then NO
the N7 would be a no go under any circumstance.