HELP! Macbook won't load into Target Disk Mode

basically long story short i had about 100 mb of memory left on my 200gb macbook pro. i was trying to save a word document when everything froze, i manually restarted the computer and thats when all **** broke loose
heres what happened
-weird sounds coming from computer
-the computer takes about 5-10 min to get to the login prompt
-takes another 5-10 min after login to load desktop wallpaper
-takes about 40 min for it to load anything on the dock and then nothing will load after that none of my desktop icons u cant access any programs..the computer will continue to make weird noises during this time.
heres what ive done so far.
-reset pram (didnt work)
-harddrive test (Did both standard and extended ...test results came back fine nothing seemed to be wrong)
-i tried to use disk utility to repair disk and it said:
+"checking extents overflow file+
+checking catalog file+
+invalid node structure+
+rebuilding catalog b-tree+
+the volume macintosh HD could not be repaired+
+error: the underlying task reported failure on exit+
+1 hfs volum checked+
+-1 volume could not be repaired because of an error+
+repair attempted on 1 volume+
+-1 volume could not be repaired"+
-tried the fsck option and it told me basically the same thing
-tried booting in safe mode ...computer wont boot into safe mode it will just shut itself off
so my last option is trying to get info off of my computer using target disk mode...i have a spare macbook that im using as a host for the macbook pro...
i bought a firewire cable today from the apple store
i followed the directions step by step on the apple website
-i connected the firewire cable, both computers were off.
-i turned the host computer on (target computer remianed off)
- held the T button right as the computer started
- then i got a grey screen with a big firewire logo floating around from left to right
[img]http://www.didntyouhear.com/wp-content/uploads/2007/04/firewire_logo.jpg[/img]
what am i doing wrong!? ??
someone PLEASE HELP!

ok i figured it out however...
everytime i try to click on my harddrive or folders in the harddrive the host computer freezes as does the target computer...
im using a macbook as the host computer to my macbook pro target...
after performing target disk mode on the target computer and connecting the two computers via firewire...
i can see my target drive on my host desktop....
omg and when i clicc on my targe drive i see all my old folders!!! yay!! that means my old files arent lost forever!
the only problem is when i try to access the folders i get the colored pinwheel
and its very slow..... nothin will load and then my host computer freezes and i have to forcequit...i didnt even get to begin transferring the files before the host computer would freeze....as this would happen the fans on the target computer would be whirring up and the floating firewire logo screensaver on the target computer would also stop floating from left to right..
what gives?

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