Your primary should be alright - especially if you use a shroud, but many have fitted astrosystems secondary dew heaters, which are fitted permanently on the back of the mirror in the secondary holder - not sure if this is possible on your scope.
http://www.astrosystems.biz/dewgrd.htm
That, a 2" EP strap and some homemade straps for the finderscope etc are what I use.