The 5.0.1 DVD includes the eclipse 3.1.2-1 and this
java -version
java version "1.4.2_11"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_11-b06)
Java HotSpot(TM) Client VM (build 1.4.2_11-b06, mixed mode)

However, in the CD version it's download the latest (3.2) to the HD or remaster.

and this
5.1.1 DVD version
eclipse 3.2.1-3
Sun Java 5.0 ( 1.5.0-10-1.1 )