Duke,
That Storm Monsoon cover is pretty strong and that core's diff is pretty low. My guess is that the HTPS pearl is halfway between a Heat and a Solutions PP Ex, but probably closer to the Heat. I don't think the HTPS has the backend of the Sol Ex; but others would have to verify the Heat, as that's one I haven't thrown yet. Haven't seen it locally either. There have been lots of tests and tons of discussions here.
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Bowling: Just like hand grenades and horse shoes, you only have to get close.
Life: Deal with what is.