Do it.... it's a quick/simple process.
I documented my go at it in 2006 -
here.
Funny enough not long after that I bought a CCD, and hardly ever used the newt with the DSLR (apart from some moon shots occasionally...), but have used it visually with no problems.
Moving the mirror will obviously adjust the balance of the OTA in whatever mount you use....
Your EPs will then come to focus with an extender.