Just fitted my new intake:

Car has a slightly louder induction noise. Sounds 'gruffer' abit less civilised, but perfectly acceptable. Can feel increased throttle response, mid range to high range pull is definitely stronger. Downsides is i can feel more pedal vibration from 3,000rpm onwards from the brake pedal. Don't know if this is because of the removal of the factory airbox which may provide some vibration damping.
Have yet to receive my heat shield for the rear of the engine compartment to revent excessive heat from the manifold. At the moment, the MAF pipe can get quite hot.