Batman: Arkham Asylum Hints

As you traverse the mental hospital known as Arkham Asylum you will gain xp toward upgrades i'm here to tell you
what to get at first. Definatly get the inverted take down first as it helps out in the rooms full of armed guards. Next
try to get the armour upgrades as it will save you many times. Next i upgraded my instant takedowns and throws. Then i went onto the Batrang upgrades. From here it is your choice for the final upgrades. Please comment and rate.