Nice way to git'er dun!
I've had rotors re-drilled twice before. The first time was virtually free using a machine shop I had worked with at my job. I called them and talked to the owner who agreed to do the work. When I went to pick them up, he said "no charge" and I graciously thanked him for his help. The second time, a couple years later, I called and talked to the shop foreman and delivered the rotors to the shop (without talking about price). When I went to pick them up I was surprised by an invoice! I don't recall the exact amount but remember it being about $20 per hole. Yeah, won't be making that mistake again.