I posted this list first to the Nexus forums, I'll just post the info again here.

List of Actor Values (for player.getav and setav commands), not sure if complete:

Health
Magicka
Stamina

Alchemy
Alteration
Block
Conjuration
Destruction
Enchanting
HeavyArmor
Illusion
LightArmor
Lockpicking
Marksman
OneHanded
PickPocket
Restoration
Smithing
Sneak
Speechcraft
TwoHanded

AlchemyMod
AlterationMod
BlockMod
ConjurationMod
DestructionMod
EnchantingMod
HeavyArmorMod
IllusionMod
LightArmorMod
LockpickingMod
MarksmanMod
OneHandedMod
PickPocketMod
RestorationMod
SmithingMod
SneakMod
SpeechcraftMod
TwoHandedMod

AlchemyPowerMod
AlterationPowerMod
BlockPowerMod
ConjurationPowerMod
DestructionPowerMod
EnchantingPowerMod
HeavyArmorPowerMod
IllusionPowerMod
LightArmorPowerMod
LockpickingPowerMod
MarksmanPowerMod
OneHandedPowerMod
PickPocketPowerMod
RestorationPowerMod
SmithingPowerMod
SneakPowerMod
SpeechcraftPowerMod
TwoHandedPowerMod

AlchemySkillAdvance
AlterationSkillAdvance
BlockSkillAdvance
ConjurationSkillAdvance
DestructionSkillAdvance
EnchantingSkillAdvance
HeavyArmorSkillAdvance
IllusionSkillAdvance
LightArmorSkillAdvance
LockpickingSkillAdvance
MarksmanSkillAdvance
OneHandedSkillAdvance
PickPocketSkillAdvance
RestorationSkillAdvance
SmithingSkillAdvance
SneakSkillAdvance
SpeechcraftSkillAdvance
TwoHandedSkillAdvance

AbsorbChance
Aggression
ArmorPerks
Assistance
AttackDamageMult
Blindness
BowSpeedBonus
BowStaggerBonus
BrainCondition
BypassVendorKeywordCheck
BypassVendorStolenCheck
CarryWeight
CombatHealthRegenMult
CombatHealthRegenMultMod
CombatHealthRegenMultPowerMod
Confidence
CritChance
DamageResist
DetectLifeRange
DragonRend
DragonSouls
ElectricResist
EnduranceCondition
Energy
EquippedItemCharge
EquippedStaffCharge
Fame
FavorActive
FavorPointsBonus
FavorsPerDay
FavorsPerDayTimer
FireResist
FrostResist
HealRate
HealRatePowerMod
IgnoreCrippledLimbs
Infamy
InventoryWeight
Invisibility
JumpingBonus
LastBribedIntimidated
LastFlattered
LeftAttackCondition
LeftMobilityCondition
LeftWeaponSpeedMult
MagicResist
MagickaRate
MagickaRateMod
Mass
MeleeDamage
Mood
Morality
Muffled
NightEye
NormalWeaponsResist
Paralysis
PerceptionCondition
PoisonResist
ReflectDamage
RightAttackCondition
RightMobilityCondition
ShieldPerks
ShoutRecoveryMult
SpeedMult
StaminaRate
Telekinesis
UnarmedDamage
VoiceRate
WaitingForPlayer

Variable01
Variable02
Variable03
Variable04
Variable05
Variable06
Variable07
Variable08
Variable09
Variable10

I didn't see anything that looked like count of the current number of perks

Let me know if I missed anything.