Sisters of Battle 1500

[Waaaghpower]

This is mainly a guideline list. I'm posting it hete as sort of a 'what I plan' list, please make suggestions. Basically, I haven't bought much yet and want to make sure I collect something decent, so please feel free to suggest other models along with them or entirely different builds.
Sisters (1500pts)

1500pt Sisters of Battle (White Dwarf), Fortifications Roster (Primary Detachment, Fortification)

Sisters of Battle (White Dwarf) (Primary Detachment) Selections:

(No Category) (140pts)

Battle Conclave (140pts)
2x Crusader (30pts), 5x Death Cult Assassin (75pts), Rhino (35pts)
HQ (205pts)

Saint Celestine (115pts)
Uriah Jacobus, Protector of the Faith (90pts)
Troops (350pts)

Battle Sister Squad (175pts)
9x Battle Sister (108pts), Meltagun (10pts), Multi-melta (10pts)
Sister Superior (47pts)
Plasma Pistol (15pts), Plasma Pistol (15pts)
Battle Sister Squad (175pts)
9x Battle Sister (108pts), Meltagun (10pts), Multi-melta (10pts)
Sister Superior (47pts)
Plasma Pistol (15pts), Plasma Pistol (15pts)
Fast Attack (330pts)

Seraphim Squad (165pts)
4x Seraphim (60pts), 2x Two Inferno Pistols (60pts)
Seraphim Superior (45pts)
Plasma Pistol (15pts), Power Sword (10pts)
Seraphim Squad (165pts)
4x Seraphim (60pts), 2x Two Inferno Pistols (60pts)
Seraphim Superior (45pts)
Plasma Pistol (15pts), Power Sword (10pts)
Heavy Support (375pts)

Exorcist (135pts)
Exorcist (135pts)
Retributor Squad (105pts)
4x Heavy Bolter (20pts), 4x Retributor (48pts), Simulacrum Imperialis (20pts)
Retributor Superior (17pts)
Boltgun, Chainsword
Fortifications (Fortification) Selections:

Fortification (100pts)

Aegis Defense Line (100pts)
Gun emplacement with quad-gun (50pts)

[Arguleon-veq]

Its pretty nice and it has all the good stuff that sisters have but I worry that your a little troop light, I think the best place you could find those points is to drop a single seraphim squad for a third sister squad.