near future:
* add support for ForeignKeys
* debug handler
 * add support for EXPLAIN method 
 * expand to a pre and post callback
 * @@---expand prepared statement support@@
* expand the test suite to cover the entire API and all possible cases
* write complete Docbook documentation
* add Metabase Wrapper for the OO API (looks somewhat unlikely to happen atm)
* add pdo based drivers
* add a way to specify CharacterSet for a @@---connection@@/query/result/manager
* @@---add support for varchar@@
* add support for length (and scale) for numeric datatypes
* @@---add support for native prepared statements for SELECT in the mysqli driver@@

more todo items:
http://cvs.php.net/viewvc.cgi/pear/MDB2/package.php?view=markup