For SCJP Tiger resources, please do a search in this forum, you will find some posts discuss about it, especially in the beta exam thread.
In short, you might read: 1. K&B for SCJP 1.4 knowledge 2. The Developer Notebook for J2SE v5.0 3. Java: The complete reference J2SE 5.0 edition 4. Core Java, 7th edition, Volume I and II 5. and much more...
After all the time I spent with 1.4.2, I thought I'd take the SCJP1.4, but the features of Tiger were overwhelmingly great. Thanks to MZ, I think I'll make it through the SCJP 1.5 with my knowledge of 1.4 + MZ's notes.
"It's not enough that we do our best; sometimes we have to do<br />what's required."<br /> <br />-- Sir Winston Churchill