Basically, yes, you can just use Powerstrip - but since you complained about the complications of getting everything "just right", you may be a good candidate for an AradeVGA. Basically, it's "time" vs. "money". I opted for an ArcadeVGA since I have so much other stuff to configure. One less thing to worry about is always better.
If you're trying to save some cash, Powerstrip is a fine tool.
By the way, you're right - it can get complicated, but it's also very rewarding. Since I started this hobby I've learned so much (basic woodworking, soldering, wiring, arcade hardware) that I don't sweat any of my roadblocks. Hang in there.