Not sure about fitting a cage just yet, the added safety and rigidity would be most welcome though, the spec list is:
Integrated engineering conrods
Integrated engineering Pcv adaptor
Port matched inlet and head
Supertech stem seals
Newsouth power gasket
Ported & polished turbo manifold
K300 hybrid turbo
1 bar actuator
80mm sfs intake pipe
3" maf
Eurojet race intercooler
3" downpipe
3" decat
3" boost factory catback
3.25" kakimoto backbox
Billet injector seats
Genesis 550cc injectors
Sytec fuel pump
Aem water methanol injection
Forge SAI delete blank
Forge 007p diverter valve
Forge throttle body hose
CTS Turbo throttle body spacer
N112 delete
N249 delete
SAI delete
4" inlet velocity stack air filter
Vf engineering upper engine mounts
Powerflex lower engine mount bush
Superpro lower engine mount bush
Power steering delete
Air con delete
BKR7E 0.028"
Quaife LSD
Spec stage 3 6 puck clutch and pressure plate
13lb steel flywheel
Forge motorsport baffled sump
Stahlbus drain valve
Badger5 live map
Billet shifter bracket bushes
Dieselgeek sigma5 short shifter
Superpro steering rack bush
Usr tubular wishbones
Comp solid top mounts
H2sport hubs
Bilstein B16 pss9 coilovers
25mm neuspeed front antiroll bar
25mm neuspeed rear antiroll bar
Powerflex rear frame bushing
034 motorsport billet subframe bush
Front upper strut brace
Front lower s3 strut brace
NEX 4pot calipers
330mm 2 piece discs
Braided brake lines
ATE Superblue
Corbeau revolution
Corbeau frames
Polycarbonate windows
Momo steering wheel
Momo boss
Battery relocated to the boot
Auto dimming rear view mirror
Bora sport clocks
Bora sport air vents
TRS 4 point harness
Kerb weight 1020kg (+/- 20kg)
There are going to be some rather significant changes to the above list over the next couple of months (there will have to be; I'm fast running out of space in my bedroom the collection of parts for the turbo upgrade and the next brake upgrade sitting around.
I don't really have much opportunity to record it, the only video I have of the golf was taken when I first got the car back from it's remap and found an opportunity to test the launch control limiter, photobucket says it's still processing the video so I may try upload it on YouTube when I get a moment free.