yes the galaxy tab does have excel as well as word and powerpoint :P
With ThinkFree software on your Galaxy Tab, you open, view and edit Word, PowerPoint and Excel files without being tied to your desk. You can also view PDFs - handy for that restaurant menu or those...
yes. it has 2.
It has a 7inch screen. Goto programaster-cherty.blogspot.com
You can go on galaxytab.com, and when you get there you just tipe in free skype app.