Biostars.org is a stackexchange-like site for bioinformaticians.

See there for answers to your question, eg:

* Best resources to learn molecular biology for a computer scientist. [1]

* What are the best bioinformatics course materials and videos (available online)? [2]

[1] http://www.biostars.org/p/3066/

[2] http://www.biostars.org/p/10766/

If you're interested in Next Generation Sequencing (the new "technology" OP referred to to replace microarrays), I wrote a 3-part series on my blog:

"A Hitchhikers Guide to Next Generation Sequencing"

Part1: http://blog.goldenhelix.com/?p=423

Part2: http://blog.goldenhelix.com/?p=490

Part3: http://blog.goldenhelix.com/?p=510