Hi Jon - and welcome to the forum!
'The perfect kit'. Now there's the eternal question!
I can't help with a Proper Job double, but as Tom says above, I love Oakham Citra and have had good success with a couple of citra kits. Mangrove Jacks citra beer was fantastic. One of the best kits I've ever done, but it was a limited edition and for some reason, they dropped it from the range. It was so good I contacted MJ to tell them they needed to bring it back, but nothing so far. Festival have just brought out a tribute to Oakham Citra called Woodland Citra Session IPA, which I've had my eyes on. The Partridge Brothers reviewed it on YouTube just this week and it was a disaster. I'm thinking something went wrong with the brew, because I can't believe a company with such a good track record of extract kits could get it so badly wrong, but who knows? There's a thread on here which I started and 2 or 3 guys are brewing it at the moment, so I'd keep an eye on that thread and see what they make of it.
That really just leaves Dark Rock's Session Series Citra Pale Ale. I added a review of this one in the 'Reviews' section on here. It's very good, though maybe not quite as good as the MJ kit, but not far off. I've done a few of the Dark Rock kits and they've all been excellent - the only thing I would say is to use the Dark Rock Enhancer with them as it makes a huge difference to the final brew.
Good luck with your new hobby and make sure you post a review of anything you make - good or bad!
P.S. It may not be your thing, but Mangrove Jacks Mango Pale Ale is fantastic as is their Pink Grapefruit IPA. Reviews for both can be found on here.
