Bilstein 4600 review on a Z71 Tahoe

Ordered this set of 4 from Shock Surplus. They actually made the mistake of sending a pair of rear 4600,
and a pair of rear 5100. They handled it gracefully, no complaints about Shock Surplus,
except be more careful next time?
No big whoop.

ANYWAY

It's a nobrainer that they are an order of magnitude better than worn out shocks that needed replacing.
(Old ones literally came apart in under 4min after removal - my truck held them together!
I should be made fun of for this.)
Over road irregularities that'd set my wheels aflutter, they now stay in contact with the road no matter what.
HOWEVER
I am clearly an atypical customer. I appreciate the Z71 for its offroad ability,
but I want to cheat on my Z71 with a Z56-PPV.
(I've only ever owned Caprice 9C1s, and a Fleetwood whose suspension I upgraded to 9C1 spec.)
Although I'm objective enough to write a good review about Bilstein 4600 shocks if pressed to do so,
I wish I'd bought the 5100 instead.

In other news, if anyone knows how I can get my hands on a 30mm GMT921 PPV rear swaybar kit,
or a Hummer H2 rear swaybar kit (I've a good welder on speed dial),
my goal remains to see how much I can improve my Z71's ability to swerve / shimmy / hustle
while retaining most of its Z71-ness.

Also, if anyone has a set of nearly new 5100 in the NY / NJ / CT / PA area, who is interested in 4600 ...

Can you find an H2 in a scrap yard and pull the sway bar from that?
I did the Rancho 9000s and new shocks make a HUGE difference. Rears were gone and one front shock puked oil on my as soon as I lifted the truck off the ground. One one “good” shock left and that could have easily been debated lol. Makes the truck handle safer too.

In NYC, there are no H2s in any junkyards. There are a few GMT921 PPVs left at JFK & LGA airports,
maybe I'll risk getting shot in the @r$e,
read the VIN off one of those so a parts mungqi can give me the right stuff.

Heck: anybody got a VIN off a (GMT800 or GMT900) Tahoe PPV?

Hopefully I made it clear: the Bilstein 4600s are good.
I'd be willing to bet they'll behave IDENTICALLY after 5-10 years, 'cause they're Bilsteins.
... problem is
I want to be able to emergency lane change at highway speed without schardting myself on two wheels.