cwamit said...which two has easiest of water relaunch ?
which has least effort to pull in to power bar pressure ?
which has least effort to turn kite pressure ?
which has most low end range ?
which has best upwind ability ?
which jumps best and which design will recover better if rider goes under the kite while in the air - something she does still on bigger jumps?
thanks for any feedback

{edited to add some more questions}
Hi Andrew, sorry I missed your post, I'll throw in my thoughts.
which two has easiest of water relaunch ?
Both the North kites and the Core XR are hard to pick an easy relaunch winner, I'd say all about the same. All three are effortless. Push bar out and pull in one back line leader. Dead Easy!
which has least effort to pull in to power bar pressure ?
I would think that both North's have bar pressure in the lighter end of the moderate scale (if that makes sense
) The Core XR2 has lighter bar pressure than the Norths and sits squarely between the Ozone Catalysts and North Rebel.which has least effort to turn kite pressure ?
All three kites have similar effort required to initiate and maintain a turn. Biggest underlying difference is the directness or responsiveness. The 5 line directly connected Rebel is most sensitive to steering input. Both Fuse and XR2 have that slightly delayed/disconnected feel so the turn is a bit less instant due to bridles. I find Rebel a tad too sensitive for my style but this can be adjusted by making a change to the back line turn pressure settings. I kninda like that slight delay from the bridle when freeriding as the kite will stay put if you make inadvertent inputs to the bar and requires less attention. For waves and freestyle, the directness is the goods.which has most low end range ?
The best bottom end would be the XR2 or Fuse but only by a bee's dick. We haven't carried out absolute bottom end testing between the three kites in 7m size so working on an overall feel from other sizes. It would be VERY close between the three. which has best upwind ability ?
Gees! Close one. I think the Rebel, then Fuse and then XR2. Too close to really discriminate and to put the XR2 as least would paint it as lesser than the other two, this is not the case. I think the difference is almost immeasurably too small and to pick one over the other is maybe misleading to the others. They are all great. which jumps best and which design will recover better if rider goes under the kite while in the air - something she does still on bigger jumps?
OK, this is a close one, the Fuse has slightly better boost and hangtime over the Rebel and XR2. I think the XR2 will jump well too and again, this is sort of subjective. All three kites are so similar that there is little difference. SUMMARY
The differences between these three kites are very minor. North of course has unchallenged pedigree in terms of quality and performance and would be the top brand in the world. They design their kites to be the top performers in their class, they spare no expense with materials and design in both the bar and kite construction. Difference between the Rebel and Fuse (especially in smaller sizes) comes down to, "Do you want a 4-Line or 5-Line kite?" "Direct or less direct feel".
Core makes kites for the masses and only in two models, for freeriders (XR2) and for aggressive freeriders/freestylers (GTS). Both kites aren't aimed to be the pinnacle of performance in either category, they are designed to be a good, easy kite with comfort and performance for the majority of kiter's in each category. Both kites can easily be tweaked with simple bridle change options which take seconds.
The Quality of Core kites is excellent although with less of the shiny bells and whistles of the North.
The difference in cost of the kites is small and reflects the finish of the products, mostly in the bar and lines.
There are basically no bad choices in these three, it'll come down to do you want to pay for the additional whistles and bells and polish of the North or not. The Core XR2 maybe sits ever so slightly further back in the wind window which may offer an ever so slight advantage of stability in a slack line scenario.
You already have North gear. Assuming you have a couple of bars, this will same you bucks. A Fuse or XR2 will require a 4 line bar (Fuse can fly on 5 line bar, but I think it'd be better as a purely 4-Line).
Just my thoughts for what they're worth.
DM