Well both versions of Sub-Culture have a fatal flaw. The Low-Life version has a very muddy completely effed up sound for the last section of the tune. Almost as if there was, "makes it sound like shite" dial on the mixing desk and they turned that to level "10". Additionally the 12 inch remix of the tune has some absolutely clunky effects, butchered barney's vocal, screwed up a lot of the charm of the original including the bridge, but it also has a very "un-muddied" bass solo after the boomerang effect I mentioned a few days ago elsewhere. That concluding bass solo is heartbreakingly gorgeous and amazing.
As for the actual album, I'd definitely go with Technique, it's their only album that is filled virtually constantly with highs (only Fine Time fails to shine, in my view), but interestingly I think you can straddle the fence a bit and argue that PCL-Low-Life-Technique form a perfect trifecta encompassing New Order at their greatest.
Absolute moments of Brilliance:
PCL: Age of Consent, Your Silent Face, Leave Me Alone
Low Life: Love Vigilantees, This Time of Night, Sunrise, Face Up
Technique: Loveless, Run, Mr. Disco, Vanishing Point, Dream Attack
Ridiculously good secondary tunes:
PCL: The Village, 5 8 6 after horrid opening 90 seconds
Low Life: STYT, Elegia
Technique: All the way, Round and Round, Guilty Partner
Horrendous Mistakes:
PCL: We All Stand
Low-Life: Editing The Perfect Kiss? That's like cutting Queen's Bohemian Rhapsody before the ripping guitar outro because, "I've had enough of that queer, faux-opera crap".
Technique: Fine Time. It's not a bad tune, but opening an album with it's worst song, and also releasing it as the opening single is baffling. Yeah maybe it captured the moment, well so did Brittney, and Christina, 98 talentless degrees, and N'Bunk, but it doesn't make the music any less crappy.
The Sound:
Guitars and Synths blended perfectly along with fine Barney moments of genius, and ineptitude and very little if any production issues (unlike the production debacles that rendered movement and Brotherhood flat, and most of Republic plastic, in comparison).
All three albums were filled with genius, just slightly sub genius tunes and at least one tune that just was nowhere near as good as the rest of the album for whatever reason and all three define New Order.