favourite year .. hm i think LPU1 will forever be the greatest, cause you got the HTEP, and like Linkin/Joze said, LP was so involved in the community!
Unfortunatly i joined very late - in LPU9 (would be in the LPU since LPU3 if my parents weren't that stupid with giving me their credit card .. ) so this would be my favourite year! also LPUX isn't that bad as well with the tinychat thing!