Baleful Teleport
Augmentation Option 4 gives +1 against PR for every 2 PP spent on increasing damage. There's nothing stopping someone from adding NI PP to increase PR checks to NI and then subtracting the damage to bring the net augmentation cost to 0 using the negative augmentation, as currently written.
Beastial Morphology
The text about how it stacks is pointless, powers already stack like that since it's the same spell with different effects that don't make each other irrelevant. Probably good merely as clarification text though.
Why does it say "for every 2 PP you spend..." on option 1 when the doublings are not cumulative? Did you mean they don't stack multiplicatively?
Bestow Power
I'm not sure why there's a limit of PP transferred based on manifester level when you can only transfer 2 PP anyway. Even the rare case of level 1 manifesters where this rule would be signidicant does not seem to imbalance things at all.
Body Purification
You can decrease the die size even if you're healing ability damage, giving a -3 PP cost for free for that purpose. It may also be a good idea to mention that the minimum die size you can have is d4.
Brain Lock
. He stands dazed, unable to take any psionic actions (including manifesting powers or using psionic feats that require a decision to be used), nor any mental actions at all.
Confusing, sounds as if the last two parts are describing the
dazed status effect. Also I'm pretty sure psionic actions are a subset of mental actions, I may be wrong though.
CataPsi
Using a psi-like ability becomes a full-round action, instead of a standard action, in a catapsi field
What if it wasn't originally a standard action?
Upon entering a catapsi field, creatures are entitled to a Psicraft check to determine that it will interfere with their manifestations, and how many power points of interference it entails (DC 29).
Probably a good idea to also allow a spellcraft check in this case, lest unwitting spellcasters...
Catfall
I believe option 3b should in fact be 3aa
Charm, Psionic
2. For every 2 additional power points you spend, this power can affect an additional target. Any additional target can not be more than 15 ft from another target of the power.
Your rework is the perfect time to clarify what was an extremely confusing statement even in the original XPH. Do all targets need to be 15ft from each other? Or do they just need to be within 15ft of just one other?
2a Should probably say distance instead of area.
Clairvoyant Sense
"You could be attacked " in the section about the scrying sensor: Needs elaboration, can your sensor be attacked? What is it's AC/HP? Etc.
Climate Control
I believe option 2 should be 1a
Concussion Blast
I think 3 should be 2a
Control Air
Might want to say that the radius for water is halved instead of a set "changed to 25ft radius" so you can augment that usage. Ditto for the speed.
"Glass is technically a liquid!"
2a. For every additional power point you spend, you can alter existent wind speeds by 5 mph (this breaks the 60 mph cap as noted above).
I believe the way this is written allows you to pay 1PP for 2a and remove the cap for 2.
Control Body
Wouldn't this allow you to control another manifester (or yourself, if you have some concentration tricks) so you can attack with them while they manifest? (though this was already possible with the original)
Also, why is it a reflex save? Sounds like more of a fort save.
Control Light
Darkness for 1PP? (Admittedly, this darkness is defeated by darkvision, but still...)
Shouldn't increasing the brightness also impose penalties on hide just as decreasing it imposes bonuses?
I don't see the point of augmentation 4. Can't you already alter the brightness at will?
Also, giving terms like "100% increase in brightness" doesn't quite help people playing since they have no idea how much brighter that would look.
Control Sound
I imagine people gathering large bundles of twigs and then throwing them next to enemies before detonating them.
As for the hardness augmentation, adamantine has a hardness of only 20, imaginative players will find many uses for this.
Convocation
Summon large rocks over people. Or better yet, find something denser.
Crystallize
I know you said not to combine with spells, but man, haunt shifting a victim of this power would be funny. Crystal Dragons for the lulz.