My $0.02...
When I've been to the 'con, the yota axles seemed to hold up better to abuse than the guys on Dana 44. I've been told (but can't confirm) yotas are easier to bolt up (something to do with break lines and such?). If you can't afford ARB, I LOVE my Aussie lunchbox locker. I never notice it's there: it locks when it's supposed to, and unlocks when it's supposed to, and doesn't make clicky bangy noises.
I have to admit, I have a soft spot in my heart for IFS. Yota IFS is supposed to bolt up easy enough. The guy that did is said "It bolted up like it belonged there", but had to raise the engine block 20cm to clear:
http://www.pirate4x4.com/forum/showthread.php?t=318480I like the trail slayer kit, but I think the front should be streatched out a bit (especially on 2-door) to help with the approach angle. I also appreciate that TT was trying to make the kit to 'bolt up' easy, and without cuttin the wheel wells, but I'd prefer to see an inch or two virtual lift, and keep the CG as low as possible.
The more the vehicle can look stock, the more impressive it'll be on the trail. Lockers & good tires go a long way towards this. I've been VERY impressed with Pitbull Tires:
http://pitbulltires.com/index_02.php. Really, they're the goods.