Join Date: Jul 2012
Location: Mississauga, Canada
Welcome! In short: yes.
Your dreadnought does have both assault and defensive grenades, and will get some sweet cover saves provided the unit shooting you is within 8". You also deny the +1 attack charging bonus which is pretty awesome.
Something I'm suddenly more interested in knowing is if assault launchers count as weapons towards a 'weapon destroyed' result from the vehicle damage table?