Photodex Proshow Producer or Gold has been around for quite some time and I have enjoyed using it for short presentations. Others in the club adopted one version or another and it is on its way to becoming one of the popular software among PSRI members.
A while ago, I was invited to participate in the beta testing program of Proshow and have learned more about how others use these products. One of the neat features of Proshow is the style packs and other presets offered by Photodex and a group of developers. Using these, one can produce very interesting results, they are certainly worth a look. Below are some links to the available resources where you will find demo shows strutting their techniques and capabilities. The prices are certainly in the affordable range. There is even a forum for Proshow Enthusiasts. Take a look, you may get hooked!
http://www.photodex.com/products/stylepacks
http://www.theframelocker.com
http://seemonasblog.blogspot.com
http://www.fenimorephotovideos.com/PSP/
http://trulytangotemplates.wordpress.com/
http://choicebackgroundsserver.com/
http://www.outsidethebox.name/
http://www.dilyla.com/
http://www.proshowenthusiasts.com/index.php
