The following bug has been logged online:

Bug reference: 2047
Logged by: Jeff Challender
Email address: jeff.challender (AT) titan (DOT) com
PostgreSQL version: 8.1
Operating system: Windows XP
Description: Can't get to mirrors
Details:

Would like to download 8.1 can't access ANY of the mirrors. Tried them all.
Can't connect.

---------------------------(end of broadcast)---------------------------
TIP 9: In versions below 8.0, the planner will ignore your desire to
choose an index scan if your joining column's datatypes do not
match

Jeff Challender wrote:

Works for me, and for a whole lot of people. Ever considered it may be
a problem on your side?

--
Alvaro Herrera

---------------------------(end of broadcast)---------------------------
TIP 6: explain analyze is your friend