If you need someone to help you write a review you shouldn't be writing one. It's like saying "I need to think, give me a thought."
Unless it's mechanical aid like punc/grammar, it has to come from you. Write about aspects that you wish people we're discussing, what hasn't been mentioned what really frustrates or delights the **** out of you. Good writing comes from accuracy and interest in said subject.
Eloquence is important although if there's no truth in your words people won't fall for it unless they're dumb or impressionable but the latter is a rare type of person to find on this forum.
Most of all write about what you think is relevant, what you think people should be mentioning get them thinking not angered. Overall write what you feel "review" is just a word like "letter" or "analysis" irrelevent, communication is what links them and effective communication is what makes good writing.
Go forth, and write, prosper.
