I did one over 680 in limbus couple days ago. Mostly they are 500 ish with occassional 600 ones. This is actually a very good JA and I have gotten used to using it here and there. 5 mins is actually a short time to wait, and it is nice to see your HP over 2000.
Returner - Dark Knight|Dragoon|Paladin|Black Mage|Red Mage
Caladbolg - 1/3/11
Creators of Rune Chopper Zerg - 6/26/2007
R.I.P Rune Chopper Zerg