Hope this helps. I found it on another website. It is a good write up.

Ford 8.8 Rear Axle

Pros
It's Under There Already
VSS/ABS Models

Cons
5 lug, 1/2 ton, Semi-Floater
C-Clips
Weak Carrier Bearing Caps
Weak Housings

Ford 9" Rear Axle

Pros
Common
Tons of Aftermarket Parts
Ground Clearance
Full-Floater Conversions
Indestructable (If You Have the Cash)

Cons
5 lug, 1/2 Ton, Semi-Floater
No VSS/ABS
Low Pinion
See "If You Have the Cash"

Dana 60 Rear End

Pros
Some 35 spline
Good Aftermarket
Decent Ground Clearance
Rare VSS Models

Cons
Some 16 Spline
Most Non VSS/ABS
3/4 ton? 1 ton? Who the Hell Knows

Dana 70 Rear End

If you want a 1-ton axle, but don't need VSS, and loathe GM, this axle is for you.

Pros
Fairly Common
Cheap
Bulletproof In Stock Form

Cons
No Spool
Poor Ground Clearance
Non VSS/ABS

Visteon Sterling 10.25

If you want a 1-ton axle, and you need VSS, this axle is for you.

Pros
VSS Compatable in '87+ (with speedo re-calc)
90% Bolt In
Ford PN F4TZ-1177-C Fixes Pre-'94 Axle Seal Problem

Cons
Weak Pinion Threads
Axle Seals Leak
Some Limited Gear Ratios, No Spool
Expensive

Corporate 14 Bolt

If you want a 1-ton axle, don't need VSS, and don't care about "brand loyalty", this axle is for you.

Pros
Dirt Cheap
Bulletproof In Stock Form
Cheap Detroits
Can Shave Pumpkin
Some Stock Detroits and 4.11 or 4.56s Gears

Cons
No VSS/ABS
No Spools or ARB
Some Semi-Float Versions
Massive Pumpkin
*gasp!* It's GM