BTW- for future reference you CAN use a hand drill if you are really, really good with it.
I much prefer a press but if you can keep it absolutely, completely at 90 degrees to the body and work slowly then you will be ok.
There is much more of a chance of fucking up though.
A local repairer shouldn't charge you much to do it.
If properly equipped it is under an hour- especially if the guitar doesn't need to be taken apart and put back together.
I think, if this wasn't my first proper build, and I wasn't investing quite so much time and money into it, I'd certainly do this. After all, if I ballsed it up, I could fill it again! But for a custom routed, unique body from Warmoth (I'm still debating whether it should be strat or tele shaped with a strat neck route...) I might as well get it as perfect as can be. I'll order the bridge in from the seller on eBay. I'm glad he's advertised the cost with import fees - nice touch.
There is a shop with a repair dude fairly local, but he's not very cheap. I'm going to him for a set up, because I know he'll do a top job. Hopefully, the nut will be changed, too.