Here is a thought.
Take a look at the GMT-800 3/4 ton Burb as Will suggested. Or better yet, the GMT-900 with a 6L80.
Sure, the current Burb is workable, after making changes.
But, unless the GMT-800 or GMT-900 3/4 ton Burb is clapped-out, it needs nothing in terms of upgrades to meet the...