Alright, since several people have shwon an interest, I decided to make an entire topic for character builds. You can post yours here or ask for advice or to see someone else's. Here's mine:

Fire-Poison Mage:
70: 1 Poison Myst
71: 3 Myst
72: 3 Myst
73: 3 Myst
74: 2 Myst, 1 Explosion (I added this for clearing mobs of previously poisoned monsters; this can be added earlier, later, or left out till you actually start maxing explosion)
75: 3 Myst
76: 3 Myst
77: 3 Myst
78: 3 Myst
79: 3 Myst
80: 3 Myst (MAX)
81: 1 Seal, 2 Elemantal Amplification
82: 1 Amp, 2 Spell Booster
83: 3 Booster
84: 3 Booster
85: 3 Booster
86: 3 Explosion
87: 3 Explosion
88: 3 Explosion
89: 3 Explosion
90: 3 Explosion
91: 3 Explosion
92: 3 Explosion
93: 3 Explosion
94: 3 Explosion
95: 2 Explosion (MAX), 1 Amp
96: 3 Amp
97: 3 Amp
98: 3 Amp
99: 3 Amp
100: 3 Amp
101: 3 Amp
102: 3 Amp
103: 3 Amp
104: 2 Amp (MAX), 1 Seal
105: 3 Seal
106: 3 Seal
107: 3 Seal
108: 3 Seal
109: 3 Seal
110: 3 Seal (MAX)
111: 3 Elemental Composition
112: 3 Comp
113: 3 Comp
114: 3 Comp
115: 3 Comp
116: 3 Comp
117: 3 Comp
118: 3 Comp
119: 3 Comp
120: 3 Comp (MAX)

This leaves me with the following:
Partial Resistance: 0
Elemental Amplification: 30
Explosion: 30
Poison Myst: 30
Seal: 20
Spell Booster: 11 (This is left at 11 because level 11 is when the casting speed boost goes from +1 to +2)
Elemental Composition: 30

EDIT: This is not the only build for an F/P mage, not by a longshot. Fell free to check out others or create your own.

Here is my current build all the way up to Hermit. (There are bound to be mistakes, so please point them out for me.)

30: 1 Claw Mastery
31: 2 Mastery, 1 Critical Throw
32: 3 Crit
33: 3 Crit
34: 3 Crit
35: 2 Mastery, 1 Claw Booster
36: 3 Claw Booster
37: 2 Claw Booster (This makes it last for a full minute. Very useful while training), 1 Crit
38: 3 Crit
39: 3 Crit
40: 3 Crit
41: 3 Crit
42: 3 Crit
43: 3 Crit
44: 1 Crit (MAX), 2 Claw Mastery
45: 3 Mastery
46: 3 Mastery
47: 3 Mastery
48: 3 Mastery
49: 1 Mastery (MAX), 2 Haste
50: 3 Haste
51: 3 Haste
52: 3 Haste
53: 3 Haste
54: 3 Haste
55: 3 Haste
56: 3 Endure
57: 3 Drain
58: 3 Drain
59: 3 Drain
60: 1 Drain, 2 Booster
61: 2 Drain, 1 Booster
62: 2 Drain, 1 Booster
63: 2 Drain, 1 Booster
64: 2 Drain, 1 Booster
65: 2 Drain, 1 Booster
66: 2 Drain, 1 Booster
67: 2 Drain, 1 Booster
68: 2 Drain, 1 Booster
69: 2 Drain, 1 Booster
70: 2 Drain (MAX), 1 Booster (This is the 3 points you get before the job advancement)

This is my current build.
The final stats should be:

Claw Mastery: 20
Critical Throw: 30
Endure: 3
Claw Booster: 18
Haste: 20
Drain: 30

dave! i know were you went wrong!
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> you made a sin not a dit
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> coulda had a V8 too -.-

mine is a varied version of kats, its slightly different

30: 1 mastery
31: Sb
32: SB
33: SB
34: SB
34-40 SB SB and more SB!

41:Mastery
42:Mastery
43:1 mastery, 2 booster
44:Booster x3
45:more Mastery
46:Mastery
47:mastery
48:mastery
49 mastery

after 50 its max haste then booster and i dunt know the rest

:Smiey2: