1) I probably have no clue what you are doing, but could you copy showthread.php to shortreview.php and start making your own templates to format the information how you want?
2. If you want REALLY short urls, you can use HTACCESS to create a referer that will pipe
http://www.whatever.com/reviews/38123
into
http://localhost/forums/showreview.php?s=&threadid=1168
For example, in terms of htaccess redirects, the redirect I used at my site was to create an .htaccess file in a subfolder
http://pictures.bonsaitalk.com/user containing the following:
RewriteEngine On
RewriteRule (.+)
http://pictures.bonsaitalk.com/showg...=1&cat=500&si=$1 [R,L]
That sent traffic from
http://pictures.bonsaitalk.com/user/WHATEVER
to
http://pictures.bonsaitalk.com/showg...00*si=WHATEVER
3. They have a pretty nice reviews system for sale over at photopost.
http://www.photopost.com. May have to navigate your way to their other products.
Regards,
Matt