Elementalist/Mesmer build - Critique please

The Edge - Guild Wars Utility
http://www.sovereignlegion.com/downloads/theedge.htm

Class: Elementalist / Mesmer

Attributes: (cost) '+' indicates Rune attributes
Energy Storage: 8 (37)
Air Magic: 10+2 (61)
Fire Magic: 9+2 (48)
Inspiration Magic: 9 (48)

Total attribute points used: 194/200

Skills: [Attribute] (Energy, Cast Time, Recharge TIme)
1) Thunderclap [Air Magic] (10,2,15) Hex: For 18 seconds, the next time target foe is struck for lightning damage, that foe and adjacent foes are knocked down, and you lose 9 energy or Thunderclap ends. This is an elite skill.[]

2) Lightning Orb [Air Magic] (15,2,5) Spell: Lightning Orb flies towards target foe and strikes for 82 lightning damage if it hits. This spell has 25% armor penetration.[Ringcrafter: Ascalon City (T), Captain Osric: Yak's Bend (OP), First Watch Sergio: Lion's Arch (T)]

3) Enervating Charge [Air Magic] (10,1,8) Spell: Target foe is struck for 41 lightning damage and suffers from weakness for 17 seconds. This spell has 25% armor penetration.[Ringcrafter: Ascalon City (T), Captain Osric: Yak's Bend (OP), Master Scout Kiera: Henge of Denravi (T), Druid's Overlook (OP), Quarrel Falls (OP), Ventari's Refuge (OP), Maguuma Stade (OP)]

4) Glyph of Lesser Energy [none] (5,1,30) Glyph: Your next spell cost 15 less energy to cast.[]

5) Searing Heat [Fire Magic] (25,3,30) Spell: Cause searing heat at target foe's location. For 5 seconds, foes near this location are struck for 22 fire damage each second. When Searing Heat ends, enemies in the area of effect are set on fire for 3 seconds. This spell causes exhaustion.[Temple of Ages (OP), Fisherman's Haven (OP)]

6) Phoenix [Fire Magic] (15,3,25) Spell: A fiery phoenix rises at your location, striking nearby foes for 84 fire damage, and flies out to your target, exploding on impact. This explosion strikes for an additional 70 fire damage.[Druid's Overlook (OP), Quarrel Falls (OP), Ventari's Refuge (OP), Maguuma Stade (OP)]

7) Ether Feast [Inspiration Magic] (5,2,8) Spell: Target foe loses 5 energy. You are healed 20 for each point of energy lost.[Ringcrafter: Ascalon City (T), Captain Osric: Yak's Bend (OP), First Watch Sergio: Lion's Arch (T)]

8) Energy Tap [Inspiration Magic] (5,3,20) Spell: Steal 12 energy from target foe.[Ringcrafter: Ascalon City (T), Captain Osric: Yak's Bend (OP), First Watch Sergio: Lion's Arch (T)]