i agree with everything you said duncan, but cannot help thinking, reviews are more intended to be ego boosters, or worse, they can end a mappers career.
but the lost critique you mentioned, i dunno, it has to be more valuable simply because its a vital step to the completion of the map, for which there would be no review otherwise..
i don't wanna give the wrong impression, i wanna do reviews myself, if its possible for me to do so.. and i do not plan on short changing people because i feel critiques are more valuable, i will give it/them 100% of my efforts as well.. but i just cannot see them as equal at all..
sorry to disagree, but thats ok, doesn't make me right after-all 
[addsig]