Sj/IA build critique

I'm very new to stalkers and just finished my first build. If you guys could critique this that would be great.

Hero Plan by Mids' Hero Designer 1.954
http://www.cohplanner.com/

Click this DataLink to open the build!

Level 50 Magic Stalker
Primary Power Set: Street Justice
Secondary Power Set: Ice Armor
Power Pool: Speed
Power Pool: Fighting
Power Pool: Leaping
Power Pool: Leadership
Ancillary Pool: Soul Mastery

Hero Profile:
Level 1: Heavy Blow -- Mako-Acc/Dmg/EndRdx/Rchg(A), Mako-Dam%(3), Mako-Acc/Dmg(3), Mako-Dmg/EndRdx(5), Mako-Dmg/Rchg(5), Mako-Acc/EndRdx/Rchg(7)
Level 1: Hide -- LkGmblr-Rchg+(A)
Level 2: Frozen Armor -- LkGmblr-Def(A), LkGmblr-Def/EndRdx(7), LkGmblr-Rchg+(9)
Level 4: Sweeping Cross -- Oblit-Acc/Dmg/EndRdx/Rchg(A), Oblit-%Dam(9), Oblit-Dmg(11), Oblit-Acc/Rchg(11), Oblit-Dmg/Rchg(13), Oblit-Acc/Dmg/Rchg(13)
Level 6: Assassin's Strike -- SStalkersG-Acc/Dmg(A), SStalkersG-Dmg/Rchg(15), SStalkersG-Rchg/Hide%(17), SStalkersG-Acc/Dmg/Rchg(17), SStalkersG-Dmg/EndRdx/Rchg(19)
Level 8: Hoarfrost -- Numna-Heal(A), Numna-Regen/Rcvry+(21), Numna-Heal/EndRdx(21), Numna-EndRdx/Rchg(23), Numna-Heal/Rchg(23), Numna-Heal/EndRdx/Rchg(25)
Level 10: Hasten -- RechRdx-I(A), RechRdx-I(15), RechRdx-I(25)
Level 12: Build Up -- GSFC-ToHit(A), GSFC-ToHit/Rchg(27), GSFC-ToHit/Rchg/EndRdx(29), GSFC-Rchg/EndRdx(29), GSFC-Build%(31), GSFC-ToHit/EndRdx(31)
Level 14: Wet Ice -- EndRdx-I(A)
Level 16: Super Speed -- EndRdx-I(A)
Level 18: Boxing -- Empty(A)
Level 20: Tough -- RctvArm-ResDam/EndRdx(A), RctvArm-ResDam/Rchg(27), RctvArm-ResDam/EndRdx/Rchg(37), S'fstPrt-ResDam/Def+(39), RctvArm-ResDam(39), GA-3defTpProc(43)
Level 22: Weave -- LkGmblr-Def(A), LkGmblr-Rchg+(37), LkGmblr-Def/EndRdx(37)
Level 24: Permafrost -- Aegis-ResDam(A), Aegis-ResDam/EndRdx(36), Aegis-ResDam/Rchg(36)
Level 26: Spinning Strike -- Ragnrk-Dmg(A), Ragnrk-Dmg/Rchg(34), Ragnrk-Acc/Dmg/Rchg(34), Ragnrk-Knock%(34), Ragnrk-Dmg/EndRdx(36)
Level 28: Shin Breaker -- Mako-Acc/Dmg/EndRdx/Rchg(A), Mako-Dam%(31), Mako-Acc/Dmg(33), Mako-Dmg/EndRdx(33), Mako-Dmg/Rchg(33), Mako-Acc/EndRdx/Rchg(39)
Level 30: Glacial Armor -- LkGmblr-Def(A), LkGmblr-Def/EndRdx(40), LkGmblr-Def/Rchg(40)
Level 32: Crushing Uppercut -- Hectmb-Dmg/EndRdx(A), Hectmb-Dam%(40), Hectmb-Dmg(42), Hectmb-Dmg/Rchg(42), Hectmb-Acc/Dmg/Rchg(42)
Level 35: Energy Absorption -- LkGmblr-Def(A), LkGmblr-Def/EndRdx(43), LkGmblr-Def/Rchg(43), P'Shift-EndMod(45), P'Shift-EndMod/Rchg(45), P'Shift-EndMod/Acc(45)
Level 38: Icy Bastion -- RechRdx-I(A), RechRdx-I(46), RechRdx-I(46), Aegis-ResDam(46), Aegis-ResDam/EndRdx(48), Aegis-ResDam/Rchg(50)
Level 41: Combat Jumping -- LkGmblr-Def(A), LkGmblr-Rchg+(50), LkGmblr-Def/EndRdx(50)
Level 44: Dark Blast -- Empty(A)
Level 47: Shadow Meld -- LkGmblr-Def(A), LkGmblr-Def/Rchg(48), LkGmblr-Def/EndRdx/Rchg(48)
Level 49: Maneuvers -- LkGmblr-Def(A)
Level 50: Spiritual Core Paragon
Level 50: Reactive Radial Flawless Interface
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Level 2: Swift -- Empty(A)
Level 2: Health -- Mrcl-Rcvry+(A)
Level 2: Hurdle -- Empty(A)
Level 2: Stamina -- P'Shift-EndMod(A)
Level 1: Assassination
Level 1: Brawl -- Empty(A)
Level 1: Sprint -- Empty(A)
Level 2: Rest -- Empty(A)
Level 4: Ninja Run
Level 1: Combo Level 1
Level 1: Combo Level 2
Level 1: Combo Level 3

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