There was an article about the instruments used in "24 Hour Party People" but the movie website is full of broken links now. Luckily it was archived by Wayback Machine.
The bit about Ian's guitar:
It's one of six that we knew survived five years ago - four of which have disappeared. The only one that we knew existed was the one that Ian had. It's a Vox Phantom 6, and it's an extremely rare piece of kit. Not particularly expensive guitar in its day, actually quite revolutionary because it was active, had on board power supplies and things. But to recreate Joy Division, it was almost essential to try either to recreate one or find the original. That took a lot of tracking down.I phoned New Order's management. They spoke to Barney [Sumner] - he had the guitar. He was a bit freaked out, as he put it, because various people had been phoning him saying 'There's this guy trying to get hold of Ian's guitar", through the grapevine. It was the day before we were due to use it, and I'd sent for one from London, but it wasn't a good match - it was red, it was a Teardrop. I got a phone call saying "If you go round to Bernard's house you can pick up the guitar. And if you go on from there to Steve's house, he's got Hooky's bass." So I spent a wet Friday driving round Macclesfield picking these guitars up. And it was just fantastic. And we got it, opened the case and there is was - Ian's guitar.It was the most valuable item we borrowed because, as Bernard said, it's priceless. You couldn't put a price on it.

LINK