Looks like you want to give them a go - why not, for terrestrial use. If they survive the trip to you without a problem and if they will hold collimation and focus through the zoom, balance them on a handrail or on top of the car and look at everything on Sydney harbour, day or night - could be quite good. But point them at the sky and I don't think you'll be happy.
Even if they arrive a bit out of collimation, as long as the tilt grub screws can be found (sometimes they are not provided), you can probably return them to a reasonable conditional collimation. However, if they arrive with a internal prism way out of whack, they may be useless. Can your friend check them before handing over the money?
Let us know how it goes.
Eric
