Re: Spotting Scope
Depends on what you want that scope to do. If you want to be able to range with it in addition to spot then you want to look at those with reticles, preferably a reticle that matches your optics if possible.
If you don't need/want/care about ranging then the field is wide open depending on budget and any number of other criteria you may have.
Try figuring out what you want this spotter to do and post some more info and you will probably get plenty of recommendations.