Studying Korean, I haven’t thought it worth while to spend much time focused just on learning the Hanja. On the road to fluency you gradually pick up on quickly and naturally on the meanings (but not the writing or reading) of different Hanja and how words can be combined with them.
However, I’ve always wanted to read inscriptions and what not that are still written in Hanja as well as more easily increase my vocabulary and talk about more difficult subjects. So far though it has always seemed more sensible to focus study time on increasing reading, speaking or writing fluency rather than focusing on Hanja by itself.
However, there is a new very useful site that should make studying Hanja much more simple — Reviewing the Hanzi. It’s similar to the Reviewing the Kanji website Japanese learners have been using to study the Kanji.
It uses Heisig’s Remembering the Hanzi but you don’t need the book to use the website. You can make an account, and start putting stories to the characters. Then there is an anki-like interface to review the characters (or you can download them and upload them to review in Anki itself).
Because it’s a community you don’t have to make up stories yourself — you can get ideas from other members of the community or just copy their story in it’s entirety — whatever helps you to remember the character vividly.
There are 3,000 basic (and most common) characters that are offered in Heisig’s two books. There are 365 days in a year so my theory is that I’ll be able to learn all 3,000 easily if I work on it only 10-15 minutes a day. 5 minutes will be on review and 5-10 minutes on learning the new characters. Will ten minutes a day be enough? I’m going to try!
Update: I’m using this website to help with the stroke order.