With dblatex you can:
transform a DocBook XML/SGML book or article to pure LaTeX,
compile the temporary LaTeX file with latex, pdflatex, or xelatex to produce DVI, PostScript and PDF files,
publish a set of books,
convert on the fly the figures included in the document,
have cross references with hot links,
olink to other documents built with dblatex,
write complex tables,
write several bibliographies,
reuse BibTeX bibliographies,
use callouts on program listings or on images,
create an index with makeindex or xindy,
write mathematical equations in LaTeX,
write mathematical equations in MathML,
have revision bars,
customise the output rendering with an XSL configuration file,
use your own LaTeX style package.