Hey bro, first off, tell your friend thanks for referring you to Naps and to my QA. And I'm certain that you can do much much better than $23 per cc of test ;) . As far as what type of test, sure, a blend, like Sust will start to show an effect a little faster.
As far as winstrol, if your goal is to grow, test will do the trick. Winstrol is a good drug, but really, with respect to your friend, there are much better options for muscle gain. Winstrol is a DHT based drug, and is going to dry you out more. It will add strength and with strength can come more muscle, given the right amount of food and training, but I would opt for something like dbol for mass. Yes, it can add some fluid, but you have to understand, fluid is your friend. It goes to your muscle, helping with recovery. It will help with strength and pad your joints, unlike a DHT which dries the joints out. I'd save the winny for a cut. When you do run it, I would use it ED, as it has a 9 hour half life and should be taken more often. Same goes with dbol. I would take it 2-3 times a day and if you keep the dose moderate, you won't get overly "wet" looking. Plus, control estrogen and diet, and you can control how much fluid you add. Here is how I would lay it out.
As for brands, there are lots of good choices, but I am a fan of Geneza Pharm. It what I use for most everything, year round, cut or bulk.
1-12
Sust 500mg EW, split into 2 shots a wk
adex .5mg EOD or as needed for estrogen control
1-6
Dbol
25mg ED
If you realllly are against the dbol idea, a drier option that has little effect on joints, is anavar. 50mg ED in place of the dbol
Since you use HRT, there is no need for PCT. Just wait 2 wks and go back to your HRT program