These links r just for a few videos using ic² (+ sometimes redpower,buildcraft and equivelent exchange)
How not to use a reactor 
:
http://www.youtube.com/watch?v=XlG1vqFeWig 
Efficient solar pannel setup :
http://www.youtube.com/watch?v=T3eWBg8HBGQ
My reactor setup :
http://www.youtube.com/watch?v=1rVSyultALw 
U can check out my channel to for even more videos using other mods to 