Trouble with WPT Server config

[hdtvrocks]

Having some trouble with my WPT server config. I can see via the apache logs that my agents are polling the server properly:

1.1.1.1 - - [20/Feb/2011:10:55:03 +0000] "GET /work/getwork.php?video=1&location=Vancouver&key=mykey1&pc=vancouver01&ver=261 HTTP/1.1" 200 - "-" "urlBlast"
2.2.2.2 - - [20/Feb/2011:10:55:04 +0000] "GET /work/getwork.php?video=1&location=Sydney&key=mykey2&pc=sydney01&ver=261 HTTP/1.1" 200 - "-" "urlblast"

However, they never seem to get the work job in the response. My locations.ini is as follows:

[locations]
1=Vancouver_loc
2=Sydney_loc
default=Vancouver_loc

[Vancouver_loc]
1=Vancouver
default=Vancouver
label=Vancouver, BC

[Sydney_loc]
1=Sydney
default=Sydney
label=Sydney, AUS

[Vancouver]
browser=IE 7
latency=0
label="Vancouver, BC"
key=mykey1

[Sydney]
browser=IE 7
latency=0
label="Sydney, AUS"
key=mykey1