Help - 7500/2410 vs NH TC 21D

[DONOTDELETE]

Hi,
Great forum.
I am narrowing down choices and need some advice.
My tractor needs are:
Mowing 3 acres with some irregularities
Garden tilling
Annual brushhog of 3 acre pasture
Possible tilling of pasture for replanting
Occasianal loading.post hole digging
The majority is finish mowing and I'd like to get a tractor that can mow around the house with just some minor finishing with a push mower. I think a 2710 or NH TC25D are too big with our trees and soft soil.
I've seen the NH TC21D which seems perfect but haven;t been able to check out the 7500 and 2410 (same body size apparently).. how do the TC21D and 750/2410 compare? Same size? Any recommendations about which is preferred? Pros/cons? Also, am I looking at the right size tractor? Thanks for any advice you can offer.