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http://www.youtube.com/watch?v=P2QAVNPdJso&t=2m39s
2年間ぐらい全然漢字使ってなくて、今なんか書こうと思えば、ま、ちょっと難しい。読めるっちゃ読めるけど... I haven't used kanji at all for about two years, and if I want to write something now, it's a little difficult. I can read it, but ...
I've never heard this っちゃ_るけど construction used before in all my time studying this language. I've searched around but can't find any lessons relating to this on any online grammar guides. Maybe it's rare.
る is the 終止形 ending of the verb. So as you comment, V + っちゃ + V + けど would be the general pattern.
忙しいっちゃ忙しい (in the post) = I got things to do, but not ultra-busy.
クラシックを聞くっちゃ聞く = I listen to classical music, but not a huge fan.
そいつを知ってるっちゃ知ってる = I know that guy, but not very well.
For the meaning, I think you already get it right.
