I'd go with something like:
01) --> Fire Blast==> Acc(1) Dmg(3) Dmg(5) Dmg(7)
01) --> Ring of Fire==> Acc(1)
02) --> Fire Ball==> Acc(2) Dmg(3) Dmg(5) Dmg(7) Rechg(13) EndRdx(15)
04) --> Fire Sword==> Acc(4) Dmg(37) Dmg(37)
06) --> Hover==> Fly(6)
08) --> Fire Breath==> Acc(8) Dmg(9) Dmg(9) Dmg(11) Rechg(11) EndRdx(13)
10) --> Hurdle==> Jump(10)
12) --> Aim==> Rechg(12) Rechg(15) Rechg(25)
14) --> Fly==> Fly(14) Fly(25)
16) --> Build Up==> Rechg(16) Rechg(17) Rechg(17)
18) --> Blaze==> Acc(18) Dmg(19) Dmg(19) Dmg(21) Rechg(21)
20) --> Health==> Heal(20)
22) --> Stamina==> EndMod(22) EndMod(23) EndMod(23)
24) --> Aid Other==> Heal(24)
26) --> Aid Self==> Heal(26) Heal(27) Heal(27)
28) --> Consume==> Rechg(28) Rechg(29) Rechg(29) EndMod(31) EndMod(31) EndMod(31)
30) --> Blazing Bolt==> Acc(30) Dmg(34) Dmg(34) Dmg(34) Rechg(36) IntRdx(37)
32) --> Inferno==> Acc(32) Dmg(33) Dmg(33) Dmg(33) Rechg(36) Rechg(36)
35) --> Resuscitate==> Rechg(35)
PvE or PvP?
Dont know anything about /fire but I can tell you that from your primary you want every power except Flares and Rain of Fire, then I'd suggest the Speed, Fitness, and medicine pools.
PVE mostly, thx for help
thanks a lot, respecced to ur specifications. yet to play with it. but thanks for advice
Must insist you at least lose combustion and get build up 
Hi there im a lvl27 blaster who has a free respec and was wonderin if any1 had any advice on what to change these our my current powers and pool sets:
Fire Blast pool set:
Flares
Fire Blast
Fire Ball
Rain of fire
Fire breath
Aim
Blaze
Blazing Bolt
Fire Manipulation pool set (which i never use):
Ring of fire
combustion
Flight pool set:
Hover
Fly
Medicine:
Aid other
Aid self
resuscitate
i never use secondary power set which is a little annoying, and just wanna make a better blaster.
thx for ur help
Doctor Fun