1. Seat now in. Good.
2. Are they the things seat belts attach too? Yes
3. No, Thursday. Good
4. We're the ones on mk4 lines still usable? You need connectors for the fuel filter and at least one of the elbows. If not £14 for those 2 clips! Grin and bear it. You'll be fine.
5. Mike. You need to get the ODB port hooked up with him - then you can find out what ails it, if it is not right.