DONT change your program if youre getting 'TONS' of gains. Trust me. Doesnt matter if youre bored or whatever, stick at it, at least until you believe the gains believe to slow...
A couple of options I can suggest are firstly if you have an assisted pullup machine that takes a bit of weight off, they will definetly help. You can also try wide-grip pull downs, but it may not...
I'd continue to cut personally. It all depends on how you feel about your bf%, if youre fine with it and want to add more mass/strength, go ahead and bulk. Personally, i'd lower my bf% a fair bit...
Anyone yet to see this - there's alot to learn from Ben Pakulski, more people should take notice to the info he puts out there. For you strength guys, look the other way.