Join Date: Jan 2005
Location: Toronto, NYC, somewhere on planet Earth
Programs: UA 1K, AA ExPlat, Hyatt Diamond, SPG Plat, Marriott Gold
Posts: 8,291
Welcome to FT, Ammjr!
As jphripjah pointed out, you may wish to look at the premium economy options of some planes. United has E+ which gives you more legroom (though your seat width will be the same).
Delta has announced their new Economy Comfort section, and the Delta forum would be the best place to look for which planes have it.
Both airlines will offer the upgrade option at time of booking (if available).
Another option is Virgin Atlantic (Premium Econ) and BA (WT+) which have better econ seating in seat width and pitch, and service -- but you will also pay a premium
Seatguru is a very good source of information for different planes and the seating options (with measurements on width and pitch.)
A final option if you are looking to accumulate and redeem points is to look at some of the credit card offers which may have large bonus offers, with some cards offering more than one variety for which you can apply.
Happy, safe AND comfortable travels!