Thanks for the comments, they were very constructive and helpful.
a) Yeah, that was me messing up the format...
b)Again, the Constitution really shouldn't have been there. I was thinking of how the Fighters have it listed, but they can actually use it for certain weapons. It is only used for HP, which a Defender should have a decent amount, but no more then a Paladin or Guardian Fighter that uses Dex or Wis as a secondary stat.
c) I can see how it could be overly complicated. Originally, it didn't have the height restriction, but it is supposed to be functional different than just a charge attack. The height restriction is to make up for the bonus in distance (+2 to speed) and the time restriction (modified to be much easier, 15 - Dex/Cha modifier) is to make up for the +Strength and +Dexterity in the attack. Otherwise, it'd just be a charge that hits a little harder than a basic melee and takes a Move and Standard instead of just Standard Action. I can see how the complexity might be restrictive but I also think it is important that it is not just a charge attack. Hopefully, the new way it is written is much simpler.
d) Impale was badly written. It is supposed to function as a modified grab, so it lets you perform a grab action as part of an attack. It has been re-written to function more like a grab. It now reads that it takes a Strength vs. Reflex check and the target is grabbed. If you maintain a one-handed grip on the weapon the target will be restrained as part of the grab instead of just immobilized.
e) I like it. Done.
Thanks again for the comments.