A: 

Porto FC
PSG
Dynamo Kiev
Dynamo Zagreb

It stands between 3 teams. Zagreb can go home.. dude have you looked what Dynamo Kiev has signed with their russian money this summer!? sick!

B:

Arsenal
Shalke 04
Montpellier
Olympiakos

Montpelliers first year so nah...  But very tight for 1st and second spot

C:

Zenit
Malaga
A.C Milan
Anderlecht

Very Open group also..

D:

Borussia Dortund
Real Madrid
Man City
Ajax

Group of Death: any positions are possible here for any team. but I`m holding Real as favourites. Note that Ajax beat Man U away with 2-1 last season..

E:

Juventus
Shaktar Donetsk
Chelsea
Nordsjälland

F:

Bayern
Valencia
Lille
Bate Borisov

Bate aint got noting to do here. they`ll lose with more than 5 goals away to Valencia and Bayern...

G:

Barcelona 
Benfica
Spartak Moskva
Celtic

pretty straight forward for the 1st and 2nd position

H:

Man U
Galatasaray
Braga
Cluj 1907

Easy group for Man U.. but they have to look out for Galatasaray and Bragas deffensive play which is top class

Dont thumb down if you think otherwise. You can say what u think in your comment..

Group A:
PORTO
PSG
DINAMO
DYNAMO

GROUP B:
ARSENAL
MONTPELLIER
SCHALKE 04
OLYMPIKAOS

GROUP C:
A.C. MILAN
ZENIT
MALAGA
ANDERLECHT

GROUP D:
REAL MADRID
CITY
DORTMUND
AJAX

GROUP E:
JUVENTUS 
CHELSEA
S.D.
Nordsjälland

GROUP F:
Bayern
Valencia
Lille
Bate Borisov

GROUP G:
BARCELONA
CELTIC
BENFICA
SPARTAK

GROUP H:
MANCHESTER UNITED
Galatasaray
Braga
Cluj 1907

if i didnt say.. from top to bottom are my predictions for the groups. 

i can see Valencia moving on, i expect an entertaining game with Bayern. a pretty even one with Lille but still coming on top. and an easy game vs Bate

Who I think will top each group (i.e. will get automatically into the KO stages):

Group A: 1) Porto 2) PSG
Group B: 1) Arsenal 2) Shalke
Group C: 1) Zenit 2) Milan
Group D: 1) Madrid 2) Dortmund ;  hardest group to call for me but I hope Dortmund will get through this year
Group E: 1) Chelsea 2) Juve
Group F: 1) Bayern 2) Valencia
Group G: 1) Barca 2) Benfica
Group H: 1) United 2) Braga