I am same same height, same age group. Also considering the first cycle after 10+ of years training. From research I did, for the first cycle, you should aim for simplicity. I will do my first cycle with testosterone enanthate only (250 or 500 mg) +PCT. I will log how it goes. You should log it too.
Also, are you sure your training and diet is on point before starting this road?
Cheers