That's going to be tight....
Currently...
There are some Ozone Flows (great kites) selling on KiteCrowd.
The thread is here:
http://forum.kitecrowd.com/sale/ozone-flows-full-set-cheap-2...
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2m - Good condition - £75
3m - Good condition - £85
3m - average - has had a "home repair" on trailing edge - flies well - £75
But that's KITES ONLY
Postage is £4.95 for kites only
Handles and 25m lines - £30 (when bought with kite)
Postage for kite with bar/handles is £10
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A little bit closer to your mark is a 2.5 PKD Century that's being sold here:
http://forum.kitecrowd.com/sale/kite-sale-209290.html
Description:
2.5 PKD Century: Well used but still flys great and pulls hard. bought this second hand, it had a few pin holes in the canopy when i got it but these
do not affect its performance. Blue with gold soulfly. £70 kite only +p&p
Also have two handle and line sets that i would be willing to include with any of the kites for an extra £10 each
2 x 20m line sets, used
2 x handles, used
So that's meets your £80 if you don't mind paying for shipping and a little wear on the kite.
ATB,
Sam
"I never had any friends later on like the ones I had when I was 12 - Jesus, does anyone?" - The Body by Stephen King