>Hi ,
>  I am interested by PICSTART (PLUS) .
  >Please help me with information about it (diagram , prices)
  >I'm sorry but I don't speak english very well.

Look at Microchip's web page on:-

http://www.microchip.com

I just bought the PICSTART for about 125-00 British Pounds.
The PICSTART is good for all PIC 16Cxxx devices.

Dav