Hi! For beginners, it's best to invest first on a point-and-shoot digital camera. It's very user friendly and you can take it anywhere. They now all come with a macro feature (the "flower" sign) for close-up shots. Take your time. Read through magazines and check out the product reviews before you decide what brand and type of camera suits your need.
I use a Canon IXUS 40 (4 megapixel). You can buy 7 megapixels or higher these days at very competitve prices. I've relied on Canon since the pre-digital days. The quality of my photos are great even if I've always been a perennial beginner. My camera is light and compact. I can bring it anywhere. In fact, it's a regular item in my handbag.
I'd recommend you also buy a good tripod if you plan to take close photos of your work. This will help you save a lot of time. I don't rely on my hands when I do macro shots. It's also good to get familiar with the tools and softwares that will help you enhance your photos. I use Microsoft Photo Editor to adjust brightness and contrast, and for cropping. Fireworks is best when I want to frame or label my photos. Even great for putting together several shots in one photo frame. It took me a year to get familiar with these tools. So don't get frustrated if your first photos don't appear like the ones you see posted in this site. It probably took time for many of us to find the technique that works best for us. Learn from your mistakes, and try to develop your own photo shooting style. In time you'll find it truly enjoyable.
Here's another thread for photo tips...
http://cs.beadstylemag.com/bdscs/forums/t/303.aspx