When I say swung I mean the highhats and the snares, it's swung like Todd Edwards is swung, all twitches, fills and details.
Even this which has a pretty strict 4 to the floor thing going on has shuffle in the highhats.
But yeah, Kane from Cause and Affect has talked to me about how the first music he got into was mid 90s pre-speed garage garage-house, and that swung 4x4 thing is everywhere in jackin.
All I know is that I can dance to jackin all night long and that as soon 'big room', 'deep' or 'tech' house comes on, I get bored shitless. It's not a nuum thing, it's not an ideological thing, it's a literally enjoyment of the music thing. To my ears the difference between any given jackin tune and any given mainstream house fodder is night and day.
You post that Jump Da Line tune and talk about how the breakdown and samples are the only things that differentiate it. That seems like plenty to me! The things which differentiate jackin from tech etc. house would seem to run in some order like this:
1st and most importantly, the massive, oversized, very very UK, jungalistic, speed garagey, bassliney, jackin basslines. most house doesn't do that shit.
2nd - the samples, the sound pallet I.E its silliness, its poppieness, its cheesiness, its affiliation with hiphop and trap, the fact that a jackin tune might just break into a Craig David tune midway through, just for the hell of it:
3rd - its song structure, build and drop, which relates to electro house, but also to 'ardcore, bassline, dubstep, garage, edm, but essentially RAVE musics, as opposed to CLUB musics, which most strands of house fall under.
4th - its drum programming, which combines a strict 4x4 house kick drum pattern with loads of slinkiness and skippyness in the high hats (primarily) and the snares (secondarily), a skip and swing which comes from a /direct garage influence/ according to my chats with a bunch of the major producers in the scene (Lorenzo, Kane, Shorterz).
I don't need to justify that jackin is the most enjoyable music in the world at the moment, nor that the scene up in Birmingham makes London look retrograde, stuck up, joyless and shite. But I know from my experiences on the dancefloor when it ends up that a night a DJ starts playing standard tech house (a very common experience in London), and from going to jackin raves, playing jackin at raves, and hearing DJs play jackin tunes in otherwise non-jackin sets, that jackin and tech house are really fucking different.