I don't know which product should I choose.

 Answer:

If you want to stitch photos into 360 degree panorama, please try Panoweaver
If you want to create virtual tour with map, radar, hotspot, walkthrough, thumbnail, etc., please try Tourweaver
If you already have photo stitching software to get panoramic images, and want to find a tool to publish your panoramic images in Flash viewer, please try Epublisher. If you want to create walkthrough virtual tours, please try Panowalker.
To create 3D object movies in Flash, QuickTime and Applet, please try Modelweaver.
For more info about Easypano products, please refer to product selector