microcontroller

Can anybody help me in finding a usb programmer for 89c51 microcontroller? i found this but i'm looking for something cheaper. Programmer - Atmel 8051 89C51 , 89C52 , 89S8252 , 89S8253 , 89S51 , 89S52

I want to start with microcontroller programming. I dont know anything about microcontrollers. Should I read about the hardware first???? Please suggest some books or tutorials from where a total beginner can start learning. Which subjects do I need to study to start making small...

here we want to make home automation system which will having microcontroller and wired connection with usb of comp. i want to get knowledge how usb connection will established with micro controller ie what is the language available for controlling microcontroller to usb interface of comp.

can anyone tell me how to connect a microcontroller and also where