NOTE: I am based in Poland, so shipping is a factor you should take in before sending any heavyweight stuff.
NOTE 2: I am ready to help pay for the gift if it's particularly expensive. I am also ready to take feature requests and mod idea requests in exchange for gifts.
NOTE 3: If the thing you would like to give me is not on the list, feel free to ask anyway!
NOTE 4: The list will be updated as I see fit.
Figurines, soundtrack/character song CDs and merchandise from anime series, as well as manga in general (translated to English, to Polish or not at all). I also hold Nichijou very close to my heart.
Books. Programming books. Especially some of the older ones, they're really interesting.
Online gift cards and vouchers of any kind.
Old gaming consoles of any kind, if they can run from 220V and/or can have an AC adapter adapted to it.
Hugs.
Old computing-related stuff, things from the 80s and early 90s work particularly well.