I would buy it if they were compilation books.
That is
1st book:
PHB with all 3,5 (official, rebalanced) classes with alternate class features included in it and ALL 3,5(official, rebalanced feats). no spells.
2nd book: DMG, with DMG 2 included and stronghold build book.
3rd book: spell compendium with all 3,5 spells included(no spells in PHB).
4th book: complete compendium of official 3,5 prestige classes(promg DMG, PHB2, complete series, etc...).
that is all...
That is
1st book:
PHB with all 3,5 (official, rebalanced) classes with alternate class features included in it and ALL 3,5(official, rebalanced feats). no spells.
2nd book: DMG, with DMG 2 included and stronghold build book.
3rd book: spell compendium with all 3,5 spells included(no spells in PHB).
4th book: complete compendium of official 3,5 prestige classes(promg DMG, PHB2, complete series, etc...).
that is all...