its nice to know your not alone!!
i have steering issues, so i have replaced...... the steering damper, drag link, the fixed tie rod, the other 2 tie rod ends, both front wheel bearings, the idle pin, new tyres all round, and still it isnt perfect, but it is drivable now as before it was really bad. Getting the tracking done again this thursday, so fingers crossed, i'll put on here how it goes.
also as far as the tracking goes, almost everwhere wont do the tracking on a lowered bus as they cant rest the tracking equipment on the tops of teh back tyres because of them being in the arches. Afew places will do it but they are few and far between, as they use equipment thats fixed on the ramp, or something like that.