It took me a while to work out what incompatible meant, so if you install it then your stuck to only those servers that have also patched to W9. But I guess you all knew that already
So probably best to make a copy of your existing LFS Patch W install.
So the question is which AUS servers will make the jump?
There are many new features that make it interesting enough to do it, but as it says it is a test patch.
Anyway find it here: http://www.lfsforum.net/showthread.php?t=22757
Incompatible **TEST** Patch W9
WARNING : THIS IS A TEST
Hello racers.
Here is a new test patch W9. It can play the hotlaps made by the old version, even though there is one physics change - clutch preload. It's also incompatible for various other reasons - it can allow up to 28 cars in a race, in S1 or S2 mode, there is a global class balancing system which is currently applied to the TBO and GTR classes, and there are various other multiplayer improvements.
There are a LOT of changes, so there will probably be some problems - YOU HAVE BEEN WARNED!!!
You cannot connect to old W versions! The host must be W9 or later!
Changes in TEST PATCH W9 :
Car is no longer held at start line - false starts possible
Start lights time between red and green is changed each race
Implemented the canreset option while leaving hotlaps valid
Added preload setting to clutch pack differentials
Increased number of cars in race from 20 to 28
Increased number of connections from 24 to 48
Single player and demo races now up to 16 cars
Start and pit fuel loads range from 1% to 100%
New voluntary handicap system in pits (part of setup)
Remote car's handicap shown in F11 menu, tyres in F12 menu
Global handicaps for class balancing (set by master server)
Removed the need to pass a split after receiving admin penalty
Start grid remains when track or config changes (if possible)
More commands now work on AI drivers : /spec /pitlane /p_xxx
More commands work even if player joining e.g. /spec /laps
Grid reordering is now done on end race as well as restart
New /i command to send a message to a race control program
Added short track name to SPR, MPR and RAF file formats
More race tracking info added to InSim (see InSim.txt)
Admins can now see other admins in list of connections
Admins can now edit and /axsave layouts while online
Admin ban dialog now asks for a number of days to ban
Added text on screen showing the reason for a penalty
Race penalty can now be removed with /p_clear command
Send all players to their pits with /pit_all command
Autocross results table only shows best 12 results
Timeout for dead connection reduced to 12 seconds
Kick and ban votes are held open a little longer
Removed the option not to use HVS if available
SHIFT + S enters garage from game setup screen
SHIFT + O enters options from SP replay
Display option : Virtual steering gauge
Display option : Rotate small map
FIX : F12 now shows "Pit stop required : OK" correctly
FIX : Find user in S2 mode looking for racer on S1 host
FIX : Message "NETWORK FATAL : NOTSOCK" when joining a host
FIX : Autocross layout number of laps sometimes did not load
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Should make the enduro's a bit better when you can have 40 odd connections. So we can have 20 cars in an enduro and 20 drivers ready to swap... That will liven things up no end. 
sweet
Ah well, better than nothing I guess, interest people for another 5 minutes.
