For written review:
Use a Ball Review Template so your reviews are consistent
1) Company and Ball Name
2) Ball Specifications
a) Gross Weight
b) Top Weight
c) Pin to CG measurement
d) Coverstock Type
e) Particle,Reactive,Urethane,Polyester, Solid, Hybrid or Pearl.
f) Core name, Low RG, High RG, Differential, Intermediate Differential if applicable
3) Drill Layout/Pattern
a) Pin to PAP distance
b) CG to PAP distance
c) Extra Hole Placement (if used)
d) Mass Bias Placement
e) Dual Angle Layout or Pin Buffer Layout used
f) Company Drill Sheet Layout Number (if used)
g) Ball Photo and/or Video link (if available)
h) This really helps if layout information is not known.
4) Surface Preparation
a) Surface Type: Sanded, Matte, Polished
b) Grit and/or Polishes used
5) Bowler Specifications
a) Right or Left handed
b) Ball Speed
c) Rev rate
d) Axis Tilt
e) Axis of rotation used in this performance
f) Positive Axis Point (PAP)
g) If not known use high track, low track, full roller, 3/4 roller or spinner.
6) Lanes
a) Type of lanes (synthetic, wooden, guardian surface etc.)
b) Oil pattern Length
c) Oil pattern Information (Typical House Shot “THSâ€, Sport, PBA etc.)
7) Ball Reaction Characteristics
a) Length
b) Mid-lane read
c) Break point
d) Backend (arcing, angular, controlled)
Miscellaneous Information
a) League type or open play, Lane play used, comparison to other balls used etc.
9) Summary
a) Your comments, likes, dislikes etc.
If doing a video
a) Show the ball being used by different style bowler's.
b) Don't show just strikes, include the misses so we can see how the ball reacts when you make a bad shot.
c) Include some of the above information
d) Don't use blaring loud background music.
Check out Laneside reviews they do some decent ball review videos:
https://www.youtube.com/user/RAJohnsonPhotograpy