One of the best presents I've gotten from my girlfriend was a calender with photo's of us in it. Like in the month that my birthday is, it had a photo of me from a previous birthday, with a cake, on our anniversary month, it had a photo of us, in christmas, it had a photo of here with a santa's hat thinger. And that sort of thing...
My other favourite present was a key ring that could hold a photo and had engravings on the back. I liked it because I took it everywhere and it always made me think of how much she loves me. Well it did, until i lost it at the beach... Oops...