I second this one. I've bought lot of technical materials (Pickaxe, some CSS3 books) on my eReader (a Sony PRS T2) and eventually bought paper editions because

I second this one. I've bought lot of technical materials (Pickaxe, some CSS3 books) on my eReader (a Sony PRS T2) and eventually bought paper editions because it was more efficient. Was I conditioned by my previous learning experiences ? Maybe, but I found that eReaders are great for looking for a specific reference of something you've already seen, but for the process of learning, there is a king of serendipity that paper provides and eReader can't. IMHO even the web is a better learning medium than ebooks for this reason.