i have a clutch rattle in nuetral until i pull clutch lever in
Thats normal they all do that sir...... Unless its REALY loud
I belive most ppl use semi synth, i know i do.
As for the bike wanting to pull forward with the clutch in, my rear wheel will turn slowly if its in gear with clutch in on the centre stand, but it wouldnt be noticable in normal use.
Are you sure the clutch is adjusted right, maybe try adjusting it to the point its slipping slightly and see if it still dose it.