Heaven help me - I've just bought a delta kit :-)

[curious aardvark]

right update for the list of parts:

So printed parts, looking at:
6corner pieces,
effector
3 vertical roller carriages
3 magnetic arm addons for roller carriages - unless you can do an all in one desig that incorporaes cable locking as well as magnetic arms.
filament holders, extruder parts, feet, fan duct, various little stuff
flying gantry for suspended extruder
Stepper motor 'cages'.

Non printed

top and bottom - 10mm plywood for rigidity and ease of attaching stuff to. I could go aluminium, but so much easier to screw stuff to plywood than bolt it to aluminium.

2020 strut for verticals and diagonals
heat pad for aluminium bed (aluminium, just because I can get that free)
Short length of tubing for extruder.
springs and bolts for bed - I like the suspended setup - easy to adjust and level.
10 metre roll of gt2 belt - 3 x 2.2(ish) metre and three little bits for suspended extruder
3 nema 17s + metal gear cog thingies. 3 for motors and 3 for lower belt support.
1 nema 14 + hobbed bolt and groove roller thingy.
4x endstops - might as well keep the z-probe as one, cheaper and works.
Motherboard: Probably MKS GEN of some kind.
500 watt pc psu - cheap as chips and easy to hotwire - plus has on off switch.
And mount all the crap on the top rather than at the bottom. Keeps wires short, so no extensions necessary longest wires go to extruder and hotend - and they'll be pretty much standard length anyway.
hotend - be nice to have one that runs up to 300c but a bog standard 260 e3d would be fine too.
Carbon rods for diagonal arms, plus 8mm ball bearings and magnets.
4x stepper motor controller chips + heatsinks.
Bag of strutnuts - the metal ones are pretty cheap in bulk.
3 & 4mm bolts. From my local hardware store as they have phillips heads which are way better than bloody hex head allan key jobs and come in decent sized bags of all lengths for £1 a bag.
wheel sets for roller carriages