I fitted my Bilstein B12 kit a few weeks ago. Its ace - really happy with it, the car is completely transformed. As suspected my front shocks had expired after 60,000miles / 9 years. They were weeping oil a little. The car feels really well damped and balanced front to rear now and grips so much better. Its like having a brand new car
I also fitted a Superpro ALK at the same time, then Michelin Pilot super sports on the front along with a wheel alignment. Its a shame I cant really tell how much difference is due to the shocks and how much the SALK. I would say that the main issue with mine was the shocks, as the front just wasnt controlled - particularly on acceleration (loads of wheelspin). I can feel the affect of the SALK on turn-in and just generally more precise control and feedback due to the lower compliance bushes, but not sure how much it had to do with the improvement in grip. One thing - the Michelins are awesome - way better than the Eagle F1s I had on before. I never really rated them...
I put in a superpro dogbone insert while I was under there which is a simple job and well worth it.
So now Ive done all that, changed the oil etc and given it a good clean inside and out I am loving my car again! It drives like its supposed to now, and Im not constantly battling to maintain grip at the front. Id say Im happier with the results of this than the remap - you get more enjoyment out of handling I reckon. I guess you need both really.