Mages Guild - 38
Dark Brotherhood - 24
Morag Tong - 26
Clan Aundae - 24
Clan Berne - 19
Clan Quarra - 28
East Empire Company - 22
House Hlaalu - 36
House Redoran - 36
House Telvanni - 7
Imperial Cult - 24
Tribunal Temple - 23
Imperial Legion - 17

Hurt: House Telvanni

Heal: Mages Guild

Mages Guild - 41
Dark Brotherhood - 24
Morag Tong - 26
Clan Aundae - 24
Clan Berne - 19
Clan Quarra - 28
East Empire Company - 22
House Hlaalu - 35
House Redoran - 35
House Telvanni - 9
Imperial Cult - 24
Tribunal Temple - 23
Imperial Legion - 17

Hurt: House Telvanni

Heal: Mages Guild

Mages Guild - 38
Dark Brotherhood - 24
Morag Tong - 26
Clan Aundae - 24
Clan Berne - 19
Clan Quarra - 28
East Empire Company - 22
House Hlaalu - 34
House Redoran - 33
House Telvanni - 13
Imperial Cult - 30
Tribunal Temple - 23
Imperial Legion - 19

Hurt: House Telvanni

Heal: Mages Guild

The Pro doesn't seem to like the Mages Guild:P...

Best: Oblivion (but GRAW 2 comes a fairly close second)

Worst: Virtua Fighter 5

EDIT: When Assassin's Creed comes out my Best list may have to change:(

Mages Guild - 35
Dark Brotherhood - 24
Morag Tong - 26
Clan Aundae - 24
Clan Berne - 19
Clan Quarra - 28
East Empire Company - 22
House Hlaalu - 34
House Redoran - 33
House Telvanni - 15
Imperial Cult - 30
Tribunal Temple - 23
Imperial Legion - 21

Hurt: House Telvanni

Heal: Mages Guild

Mages Guild - 29
Dark Brotherhood - 26
Morag Tong - 26
Clan Aundae - 24
Clan Berne - 21
Clan Quarra - 28
Knights of the Nine - 20
East Empire Company - 28
House Hlaalu - 33
House Redoran - 32
House Telvanni - 29
Imperial Cult - 30
Tribunal Temple - 23
Imperial Legion - 30

Hurt: Theives Guild.

Heal: Thieves Guild

Theives Guild is dead.

Mages Guild - 28
Thieves Guild - 5
Dark Brotherhood - 26
Morag Tong - 26
Clan Aundae - 24
Clan Berne - 21
Clan Quarra - 28
Knights of the Nine - 24
East Empire Company - 26
House Hlaalu - 33
House Redoran - 32
House Telvanni - 30
Imperial Cult - 30
Tribunal Temple - 23
Imperial Legion - 30

Hurt: Theives Guild

Heal: Mages Guild

Mages Guild - 29
Thieves Guild - 7
Dark Brotherhood - 26
Morag Tong - 28
Clan Aundae - 24
Clan Berne - 21
Clan Quarra - 28
Knights of the Nine - 23
East Empire Company - 26
House Hlaalu - 33
House Redoran - 32
House Telvanni - 29
Imperial Cult - 30
Tribunal Temple - 23
Imperial Legion - 30

Hurt: Theives Guild

Heal: Mages Guild

Mages Guild - 28
Thieves Guild - 9
Dark Brotherhood - 26
Morag Tong - 28
Clan Aundae - 24
Clan Berne - 21
Clan Quarra - 28
Knights of the Nine - 23
East Empire Company - 26
House Hlaalu - 32
House Redoran - 32
House Telvanni - 31
Imperial Cult - 30
Tribunal Temple - 23
Imperial Legion - 30

Hurt: Theives Guild

Heal: Mages Guild