ORDER BY FIELD feature

Does postgresql have something similar to the ORDER BY FIELD feature found in MySQL?

 

Something like ORDER BY FIELD(ID, 10, 2, 56, 40);

 

It is listed here:  http://dev.mysql.com/doc/refman/5.0/en/sorting-rows.html

 

I am using the Sphinx Search program, www.sphinxsearch.com, and it returns a list of IDs ordered by relevance.  I take the array it gives me and create a comma separated list which is used in a postgres query using the WHERE "ID" IN (10, 2, 56, 40) statement.  I would like to order the result by the order of the list.

 

Thanks.