Digital Camera

I'm just wondering wheather to buy a digital camera. Now i have a old one which i bought 5 years ago and it's good time to buy a new one since i'll go abroad next year and i think i'll have many chances to take pictures. But it's difficult for me to choice the fine camera. i don't know anything about digital camera. I couldn't have good command of the old camera. taking a camera is a kind of pain for me and i can't hold the camera in natural style. (i think there are NOT many situations when i allow to take pictures)

Anyway, i don't have any idea about digital camera, so i'm wondering which camera should i buy. Maybe i don't need high picture quality. Maybe i should have a smaller one to bring around. Maybe i should have a camera with dry-cell battery... But the cameras in stores now are all too high spec for me, aren't they?