Okay, my collection is follows:
2001:
Toa: Tahu, Gali, Kopaka, Lewa, Pohatu, Onua
Turaga: Vakama, Whenua, Onewa
Tohunga: Maku, Jala, Kongu, Onepu
2002:
Toa Nuva: Tahu, Gali, Kopaka, Lewa, Pohatu, Onua
2003:
Matoran: Hahli, Hewki, Matoro and few custom
Titans: Takanuva, Takua and Pewku
2004:
Toa Metru: Vakama, Nokama, Nuju, Matau, Whenua, Onewa
Matoran: Nuhrii, Vhisola, Orkahm, Ahkmou, Tehutti, Ehrye
Titans: Lhikan and Kikanalo, Nidhiki, Krekka, Turaga Dume and Nivawk.
2006:
Toa Inika: Jaller, Matoro
2007:
Toa Mahri: Jaller
2008:
Phantoka: Lewa, Kopaka, Onua
Matoran: Tanma
Mistika: Tahu, Gali, Onua
2010:
Stars: Tahu and all the golden parts.
And also lots of various G1 stuff, like parts, masks and stuff.
I actually own a lot of sets like Glatorian, Barraki, Vahki, Piraka and others, but these are all on sale.
From G2 I have all the Toa, Protector of Fire and polybag.