Starting a online store...

Hello -

I am currently interested on starting a online store and selling products that site will use oscommerce talking paypal / credit cards but I am having some trouble thinking of what I will be selling... I want to make money but I want it to be a good store and people to buy the products...

Tech
Music
Movies
Books

Where can I buy mass quantity and sell for profit?

What would you guys like?

Feedback / Suggestions?

if you come up with something cool and I use it I will send you a donation

Feel free to PM me!

thanks
-Matt