Favorites:
737 (HP metal) Exit Row: Extra leg space and these seats usually have sides to them so if the passenger next to you is overweight, their fat doesn't invade your space of your seat that you paid for.
A321 (old US metal) FC: You can use your laptop if the seat in front of you recline.

Least Favorites
737 (HP Metal)
A319 (HP Metal): Is there an exit row in these planes?
First Section on HP Metal: The space is limited between the rows as well as if the seat in front of you recline, you can't work on a regular size laptop.