Mine is pic related, the Victory Gundam. What I like about it is how modular the mobile suit is. It's the result of years of ms tech late into the Universal Century where now the Gundam is mass produced. In the show the rebel forces are shown to have a stockpile of Gundams in a bunker so they can burn through parts.
Honorable mention to the RX-79 G ground type Gundam from 8th MS Team.
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the crucial difference between having gunpla and the funko pops is that i had to spend hours on all the gunpla i have to make them look good. some of them took weeks of sanding and painting, and even the ones i just built and stood up out of the box took a few hours. that's what i tell myself at least, it makes me feel less cringe for displaying them lmao