I'm back, been lurking a bit

I see TPW have a 16% off code atm, possible 12% cashback and whatever their referral system is has pushed me towards them
outta banana isolate, choc smooth almost empty, bedtime extreme stuff running out fast and Im pretty much down to the alpha man multivits with Mega Green Tea, I still have creatine mono and l leucine left (I use daily).
Got til midnight tomorrow to decide what to order, few quick questions...
Concentrate seems a LOT cheaper than isolate, with me being pretty much a beginner do I really need isolate?
Anyone tried the Pure whey and milk from tpw? Looking at something to replace the bedtime extreme from MP, hopefully it mixes better than sand

Or would the cheaper milk protein 85 suffice?
Think the tribulus pro had little to no impact but am thinking of trying DAA, worth a look?
Will the mega green tea from MP conflict with CLA?
Anythign I've missed or gotten wrong?
Also X-Tend? Yay or Nay, my mate gave me a few to try and it certainly made the workout a lot more interesting, do TPW do a similar item?