Just an observation on organization of information:
- alphabetical order, as per dictionary or encyclopedia, is superior for large quantity of elements. "Large" - as in "Too many to remember".
- ordering items by category (or by several categories) allows for faster access than that of alphabetical ordering, but it requires reasonable familiarity with categories and sufficiently clear rules on presenting categories.
Rechan here has probably both good knowledge of the contents of PHB, so categorical ordering is more useful to him. However, people with less experience or with worse memory will probably find alphabetical ordering significantly more usable.
Finally, in my opinion, PHB should provide alphabetical index for powers/feats/class abilities (all lumped together, as it's fairly unlikely for the names to overlap) along with page numbers (for quick reference), class/level information (for mnemotechnical reasons - looking several times through the index, one will eventually memorize additional information). The index should be placed at the end of the book and should be separate from general index (specific and general indices should be kept separately).
Of course, it's easy to make if you have SRD in electronic form.
Regards,
Ruemere