I would recon all at the same time in seprate toppics
Well:
1) as Kazama sayd the patience may be tested to the extreme
2) Keeping all nice and tidy (OCD moment ya know)
3) Saves from draging on a looooooooong time
4) Can simply have the 'observers' post that it is - test 1 test 2 test 3 etc
5) Simpler to understand
in short, just easier in the long run