I got this set:
The punch is super helpful for starting the hole as it will help prevent the step bit from slipping across your pedal, and the step bits have worked great for me so far.
Do you think this set would be alright for me starting out? Comes with a center punch: https://www.amazon.com/Vastar-Titanium-3-Piece-Automatic-Center/dp/B01DU3UWXI/ref=lp_256287011_1_4?s=industrial&ie=UTF8&qid=1519217788&sr=1-4