First credit card? Be careful... Remember that's real money, that gets paid back with a high interest rate...
With that said...
I'm an
www.amazon.com addict -- books, dvds, music, they've parterned with other companies so now have clothes, toys, cooking stuff-- everything on the planet.
For gifts for other people
www.redenvelope.com
www.uncommongoods.com
Both have unique stuff that you won't find everywhere else. Uncommon goods also has a lot of really unique home decorating accessories.