Melee weapons beat missile weapons every time.

Even if Buffy is really far away?

She's watched Dru for who knows how long. She's bound to have picked up a few things. Plus, thumbs.

Very true...

Both would have to feed eventually. Jasmine grows weak when she doesn't feed. Glory just gets crazy.

Good point.
Although there is the ever-present danger that Glory might turn into Ben halfway through the battle.