Well I have been around for 3 and half years now and dont plan on getting rid of the Strabo for another 2 years or so yet maybe longer Will NEVER leave this community/family though
There is a bit more lag but when it comes on full boost the TD's pull much harder due to being a larger turbo As long as you got a decent set up the lag shouldnt affect you too much
Stainless would be better as it wouldnt suffer from heat soak as bad I believe... Your looking at about £150 maybe? So in total it should be worth it
Sounds like air in the system if it has new pads They need bleeding by the looks, preferably when bleeding the brakes you need two people, one to pump the brakes while the other person drains the fluid.