Does this output look right to you?
prism=> \d eo_vehicle_types_name_key
Index "eo_vehicle_types_name_key"
Attribute | Type
-----------+------
name | name
unique btree
prism=> \x
Expanded display is on.
prism=> \d eo_vehicle_types_name_key
Index "eo_vehicle_types_name_key"
-[ RECORD 1 ]---
Attribute | name
Type | name
unique btree
-- test metadata --
jason [/home/mzieg/test/postgres] mzieg $ psql --version
psql (PostgreSQL) 7.1.3
jason [/home/mzieg/test/postgres] mzieg $ uname -a
Linux orlsr007464 2.4.7-10 #1 Thu Sep 6 17:27:27 EDT 2001 i686 unknown