PIC18F2520
This is enhanced version of PIC18F252, designed to be pin to pin compatible with PIC18F252, it is being upgraded with more features such as extended mode for C compiler optimization and more peripherals.

Programmer:
UIC00B, USB PIC Programmer V2010
UP00B, USB PIC Programmer V2009
PICkit3
Features:
Pin Count: 28-pin PDIP
Program Memory: 32KB Flash
Max Crystal Speed: 40MHz
Internal oscillator support 31 KHz to 8 MHz 
RAM Bytes: 1,536
EEPROM Bytes: 256
Timers: 1 x 8 bit, 3 x 16-bit
Digital Communication: 1xA/E/USART, 1 x MSSP(SPI/I2C), support LIN bus
Capture/Compare/PWM: 2 x CCP
ADC: 10ch, 10-bit
Comparators: 2