I'm getting ready to do this same stuff also, one of the last areas needing upgrading. If your front brake is working well, no need to rebuild the caliper. And I'm not sure about the fork seals, but I'm sure the upper echelon will chime in.

2004 TA/19'slash cuts/150/45/N3RF TBS needles,no shims/2 1/2 turns out/FZ1 springs/clean balanced carbs/pods/18/44/EK chain/TBS cush drive/Commander IIs/Armstrong GG pads/TTP firestarter/TTP safe start/green springs/Pretech 6 pot/Ricors