I was just thinking about this, and one other situation I can see them handy is on the starters because of their abilities (Blaze/Overgrow/Torrent)-which boosts their power up to 337.5 with STAB if their HP is low. However, the only starters I can see with good enough stats to abuse them with are Charizard (who is better off with Belly Drum), Typhlosion, Sceptile and Infernape (who, again, has better things to do)-not to mention you have to fall down below 1/3 (or was it 1/4 in DP?) HP before the ability activates.
At least somewhat of a good choice, or still too suicidal and/or situational to consider?
At least somewhat of a good choice, or still too suicidal and/or situational to consider?