New preliminary list by Sickels (40 players, grades for the last six players are Sickels, not mine)

Raul Alcantara RHP
Lars Anderson 1B
Chris Balcom-Miller RHP
Matt Barnes RHP
Xander Bogaerts SS
Jackie Bradley Jr OF
Bryce Brentz OF
Drake Britton LHP
Garin Cecchini 3B
Keith Couch RHP
Sean Coyle 2B
Felix Doubront LHP
Alex Hassan OF
Jeremy Hazelbaker OF
Miles Head 1B
Jose Iglesias SS
Brandon Jacobs OF
Williams Jerez OF
Cody Kukuk LHP
Ryan Lavarnway C
Che-Hsuan Lin OF
Will Middlebrooks 3B
Frank Montas RHP
Henry Owens LHP
Kendrick Perkins OF
Stolmy Pimentel RHP
Noe Ramirez RHP
Henry Ramos OF
Anthony Ranaudo RHP
Travis Shaw 3B (possibly to be replaced by Heiker Meneses)
Kyle Stroup RHP
Blake Swihart C
Junichi Tazawa RHP
Oscar Tejeda INF
Christian Vazquez C C+
Jose Vinicio SS C+
Kolbrin Vitek 3B C+
Kyle Weiland RHP C+
Alex Wilson RHP B-
Brandon Workman RHP B-

http://www.minorleaguebal...op-20-prospects-for-2012

1 B+ (borderline A-)
1 B+
4 B
9 B-
10 C+

Note that Sickels tends to overrate youth and underrate higher-tier prospects.

Ranking (SP.com rankings in parentheses)

1-5: Xander Bogaerts, SS (4), Matt Barnes, RHP (7), Will Middlebrooks, 3B (1), Ryan Lavarnway, C-DH (6), Garin Cecchini, 3B (12)

6-10: Brandon Jacobs, OF (9), Blake Swihart, C (10), Sean Coyle, 2B (11), Bryce Brentz, OF (8), Anthony Ranaudo, RHP (3)

11-15: Henry Owens, LHP (22), Jose Iglesias, SS (5), Jackie Bradley Jr., OF (21), Alex Wilson, RHP (15), Brandon Workman, RHP (29)

16-20: Kyle Weiland, RHP (13), Felix Doubront, LHP (14), Stolmy Pimentel, RHP (19), Christian Vazquez, C (31), Kolbrin Vitek, 3B (17)

21-25: Miles Head, 1B (18), Cody Kukuk, LHP (27), Raul Alcantara, RHP (26), Jose Vinicio, SS (32), Junichi Tazawa, RHP (23)

26-40 (alphabetical order): Lars Anderson, 1B (25); Chris Balcom-Miller, RHP (40); Drake Britton, LHP (16); Keith Couch, RHP (39); Alex Hassan, OF (24); Jeremy Hazelbaker, OF (30); Williams Jerez, OF (35); Che-Hsuan Lin, OF (36); Heiker Meneses, INF (43); Frank Montas, RHP (33); Kendrick Perkins, OF (38); Noe Ramirez, RHP (34); Henry Ramos, OF (28); Kyle Stroup, RHP (49); Oscar Tejeda, INF (20)

FYI,

SD's system (25 ranked)
5 B+
2 B (both borderline B+)
8 B-
10 C+
(Rizzo #1, Kelly #7, Fuentes #20)

SEA's system (20 ranked)
2 A-
1 B+ (borderline A-)
1 B (borderline B+)
1 B
1 B- (borderline B)
4 B-
1 B- (borderline C+)
7 C+
2 C

LAD's system (20 ranked)
1 B+
1 B (borderline B+)
2 B
2 B- (borderline B)
4 B-
10 C+

TOR's system (25 ranked)
1 B+ (borderline A-)
7 B+ (1 traded to CWS)
1 B
8 B-
4 C+ (borderline B-)
4 C+

BAL's system (20 ranked)
1 A
1 A-
1 B (borderline B+)
4 B-
11 C+
2 C

HOU's system (20 ranked)
2 B+
3 B-
8 C+
7 C

TB's system (25 ranked)
1 A
1 B+
1 B (borderline B+)
3 B
1 B- (borderline B)
7 B-
11 C+

AZ's system (24 ranked)
1 A
3 A- (1 traded to OAK)
1 B
1 B- (borderline B)
6 B-
12 C+ (2 traded to OAK)

DET's system (20 ranked)
1 A-
1 B+
3 B
1 B-
11 C+
3 C

PHI's system (21 ranked)
2 B+
6 B-
8 C+
5 C

TEX's system (25 ranked)
1 A
1 B+
7 B
6 B-
1 B- (borderline C+)
9 C+

STL's system (20 ranked)
1 A
4 B+
6 B
2 B-
7 C+

MIL's system (20 ranked)
4 B
4 B-
1 B- (borderline C+)
5 C+
6 C

KC's system (22 ranked)
2 A-
1 B+ (borderline A-)
1 B+
3 B
4 B-
2 B- (borderline C+)
9 C+

ATL's system (22 ranked)
1 A
3 B+
2 B
9 B-
1 B- (borderline C+)
6 C+

MIN's system (24 ranked)
1 B+
1 B (borderline B+)
2 B
9 B-
11 C+

17 systems (including BOS) are now ranked).

6 A, 9 A-, 3 B+ (borderline A-), 23 B+, 7 B (borderline B+)

That puts Bogaerts in the 16-18 range of the 17 systems and on pace to finish in the top 30-35 overall and puts Barnes in the 19-42 range of the 17 systems and on pace to finish in the top 100 overall, per Sickels.  Of course, WMB should be our top prospect.