Assassin Skills

My rogue is level 26 and I need to know some things about being an assassin.

I'm following Qyxt's assassin guide on basilmarket.com (link)

This is the recommended skill tree for an assassin:

Level 30: 1 Claw Mastery (1 Claw Mastery)
Level 31: 2 Claw Mastery and 1 Claw Booster (3 Claw Mastery, 1 Claw Booster)
Level 32: 3 Claw Booster (4 Claw Booster)
Level 33: 1 Claw Booster and 2 Critical Throw (5 Claw Booster, 2 Critical Throw)
Level 34: 3 Critical Throw (5 Critical Throw)
Level 35: 3 Critical Throw (8 Critical Throw)
Level 36: 3 Critical Throw (11 Critical Throw)
Level 37: 3 Critical Throw (14 Critical Throw)
Level 38: 3 Critical Throw (17 Critical Throw)
Level 39: 3 Critical Throw (20 Critical Throw)
Level 40: 3 Critical Throw (23 Critical Throw)
Level 41: 3 Critical Throw (26 Critical Throw)
Level 42: 3 Critical Throw (29 Critical Throw)
Level 43: 1 Critical Throw and 2 Haste (30 Critical Throw, 2 Haste)
Level 44: 3 Haste (5 Haste)
Level 45: 3 Haste (8 Haste)
Level 46: 3 Haste (11 Haste)
Level 47: 3 Haste (14 Haste)
Level 48: 3 Haste (17 Haste)
Level 49: 3 Haste (20 Haste)
Level 50: 3 Endure (3 Endure)
Level 51: 2 Claw Mastery and 1 Drain (5 Claw Mastery, 1 Drain)
Level 52: 3 Claw Mastery (8 Claw Mastery)
Level 53: 3 Claw Mastery (11 Claw Mastery)
Level 54: 3 Claw Mastery (14 Claw Mastery)
Level 55: 3 Claw Mastery (17 Claw Mastery)
Level 56: 2 Claw Mastery and 1 Drain (19 Claw Mastery, 2 Drain)
Level 57: 3 Drain (5 Drain)
Level 58: 3 Drain (8 Drain)
Level 59: 3 Drain (11 Drain)
Level 60: 3 Drain (14 Drain)
Level 61: 1 Drain and 2 Claw Booster (15 Drain)(7 Claw Booster)
Level 62: 3 Claw Booster (10 Claw Booster)
Level 63: 3 Claw Booster (13 Claw Booster)
Level 64: 3 Claw Booster (16 Claw Booster)
Level 65: 3 Claw Booster and 1 Claw Mastery (18 Claw Booster, 20 Claw Mastery)
Level 66: 3 Drain (18 Drain)
Level 67: 3 Drain (21 Drain)
Level 68: 3 Drain (24 Drain)
Level 69: 3 Drain (27 Drain)
Level 70: 3 Drain (30 Drain)



But I want to know if I should switch anything around. My neighbors and I do a lot of partying, and would like haste sooner. Is there any way I can do this without crippling my character? http://forums.mapletip.com/index.php?showtopic=116652