DPF is just another obstruction in the pipe line. Quicker you can get rid of gasses the quicker you can run fuel/air through.
Ideally you need to start with the basics ie removing filteration and give a more effecient flow and then look at uprating componenets. I cannot say i have ever heard a hybrid/uprated turbo being fit and the DPF still being left in. What worries you about removing the DPF?
Also in regards to tyres, not many tyres will hold up to big torque and with it all being at low RPM it tends to come in a burst (especially on the PD engine) so is very difficult to control. My friend has just had a larger turbo, injectors the lot on his 2.0tdi golf. It is now running 284BHP and 435torque - he has fit a LSD and that still struggles to get power down but i suppose LSD will aid. Also budget in a uprated clutch.
Also Like Karl says above, Rick has done alot of work on members cars on here and i have not heard a bad thing yet.