....from the '08 catalog I saw:
MicroGEL Prestige Mid:
Beam width: 19mm
Head Size: 93 sq. in.
Weight (unstrung): 11.6 oz. / 330g
Balance (unstrung): 1 1/3" HL / 310mm
Length: 27"
Grip Size: 2-5
Grip: Hydrosorb white
String Pattern: 18x20
Swing Style: L6
MicroGEL Prestige MidPlus:
Beam width: 21mm
Head Size: 98 sq. in.
Weight (unstrung): 11.3 oz. / 320g
Balance (unstrung): 1 1/3" HL / 310mm
Length: 27"
Grip Size: 2-5
Grip: Hydrosorb white
String Pattern: 18x20
Swing Style: L6
MicroGEL Prestige Pro:
Beam width: 21mm
Head Size: 98 sq. in.
Weight (unstrung): 11.5 oz. / 325g
Balance (unstrung): 1" HL / 315mm
Length: 27"
Grip Size: 2-5
Grip: Hydrosorb white
String Pattern: 16x19
Swing Style: L6
MicroGEL Prestige Mid:
Beam width: 19mm
Head Size: 93 sq. in.
Weight (unstrung): 11.6 oz. / 330g
Balance (unstrung): 1 1/3" HL / 310mm
Length: 27"
Grip Size: 2-5
Grip: Hydrosorb white
String Pattern: 18x20
Swing Style: L6
MicroGEL Prestige MidPlus:
Beam width: 21mm
Head Size: 98 sq. in.
Weight (unstrung): 11.3 oz. / 320g
Balance (unstrung): 1 1/3" HL / 310mm
Length: 27"
Grip Size: 2-5
Grip: Hydrosorb white
String Pattern: 18x20
Swing Style: L6
MicroGEL Prestige Pro:
Beam width: 21mm
Head Size: 98 sq. in.
Weight (unstrung): 11.5 oz. / 325g
Balance (unstrung): 1" HL / 315mm
Length: 27"
Grip Size: 2-5
Grip: Hydrosorb white
String Pattern: 16x19
Swing Style: L6