I've used the 1020c with some success, but with a big caveat:
Changing bands and peaking / tuning it, along with adjusting the gain, can become a chore if you cruise the bands often. Sort of fun / retro kind of thing at first, but then becomes annoying.
Or course, keep your expectations of an amplified whip in check in the fist place. The thing to do is to take a portable, and use THAT to find the least noisy mounting location for it FIRST. Then mount the amplified whip there. Unless you live in the rf boonies, just throwing it up in the backyard eve mount may be a disappointment.
As for the Apex 303WA-2 mentioned, I had to find out what that magic was. Basically a short whip with no connection to the braid on purpose to cut down on common-mode interaction. I'm assuming there is also an additional transformer / choke in their special coax.
What that is REALLY designed for are those with hot front-end portables that need to get *something* outside, and with minimal common-mode interaction from the feedline bringing in noise from the interior due to that. Their antenna and feedline are a system, and you are advised NOT to cut, shorten, or replace it with your own.