Cooling GPU heatsink which one

hi guys i want to take the fan off my VGA card its a all-in-wondoer 8500DV and has no mounting holes by the GPU, so what ever i do i'll end up using two-part thermally-conductive epoxy adhesive.

so do i get the Zalman Silent Video Card Heatsink glue-mount ZM17-CU http://www.quietpc.com/uk/vgamb.php#zm17cu
or do i go for something a bit bigger that should use mounting holes but just use adhesive and hope it does't pull it off i was thinging something like....
http://www.tekheads.co.uk/s/product?product=604232

now the weight is ... 120g for the zalman and its 220g for the Aerocool VM-101

what do you guys think thanks

edit: oh yeah by the way this computer is in a 19" rack so the mobo is flat on the floor of the case(not in a tower) and case has good air flow i think

 

i'll prefer the areocool because the zalman is too oldschool for these days gfx

 

Cut an intel retail P4 heatsink down to size, and strap it on with cable ties