Alice Shields and Eric Chasalow have written a series of posts on electronic music, including one in honor of Milton Babbitt, at New Music Box.
Here are links to Alice’s posts:
Structural and Playback Issues in Current Electroacoustic Music
Timbre, Envelope and Variation in Electroacoustic Music
Electroacoustic Music with Video: Comparison with Sound for Film
And to Eric’s posts:
The Opportunity of Electroacoustic Musicology
Cultivating a Sense of Belonging: Our Debate of Electroacoustic Music Terminology