You are right. Stock length shocks for a spindle lift. Spindle lift only moves the wheel bearings location down. Everything else stays the same.
As for a larger tube shock, I'm unaware of anything short of something crazy expensive designed for the off-road racing world.
Another for the Bilstein movement! I ran their "Heavy Duty" line of shocks when I was stock height from 30k-70k and love 'em. The HD line are yellow and blue and not outrageously priced either. One of the more expensive stock length shocks out there, but not cheap either.
Neat little tidbit: your Edge shares the same shocks with a 4x4. Some sites list shocks for a 4x4 but don't list them for a 2wd torsion bar truck. You can play with search terms and come up with more shock options and they'll still fit.
'01 XLT disguised as a '03 Fx4 Level II
Big. Loud. Slow. Bright.