Remember how many people thought this issue was filler? Turns out it's got a lot of foreshadowing within.
The meta delves into the meaning behind Angel's prominent appearance in Buffy's dream and there's a lot of interesting lines to harken back to. Especially the closing panel:
Buffy: Maybe Angel was right. You can't change a person's past. And just by telling them you'll change their future into who knows what. But for one brief shiny shiny... it was great to go home again.