NOOO, Shaders are bad!!!111111111
They don´t work on hardware older than 10 years!!!!!!!!!!!! Oh and shadermodel 3 is the devil himself as it won´t work on hardware older than 7 years!!!1111111111

Did I mention that my 2 years old iPhone can´t render anything without shaders? laugh

Lite-C Tut. 1 Lite-C Tut. 2 Lite-C Tut. 3 (en)
Shader Tutorial (ger)

http://www.slindev.com