Calic0cat

I'm not that thrilled with the content of the Kanzen Duo X Heero Sengen myself - Duo and Heero have an existing relationship implied. Heero somehow gets turned into a child version of himself and apparently Duo needs to "help" him climax (in order to return to his normal age, I think, but the whole thing is kind of weird and not subject matter that I find very comfortable). It looks like he returns to his usual age briefly, then reverts again and needs Duo's assistance again. Weird. Then, in the second part, Heero wakes up as a 20-something version of himself, which apparently embarrasses/intimidates the heck out of Duo, as he promptly blushes, hides his face and hands Heero his boxers. Some sort of explanation involving pills follows, Duo ends up taking them too (I think with the idea that he'll end up the same age as Heero again), and then there's a 20-something Heero and a child Duo. Like I said, weird.

Between the Finder-W Virus Program doujinshi and the two Genesis ones, I'd say that the Finder-W has the nicer artwork. It's more detailed and there's more background in the scenes. There is some explicit (or maybe more like semi-explicit) content. Personally, I like the art better than the Kanzen art, but personal taste can vary considerably. The Genesis ones don't have *bad* artwork but they're not really anything special, either.

Eternal was under "Other Circles" since I have no idea who it's by. Note the "was" however - somebody else was "fast like ninja" and snapped it up.