What's the best waterproof tile adhesive to go for?

I use Ardex Flex 6001 (powder) or BAL White Star (readymix).

http://www.ardex.co.uk/ardexflex_6001.asp
http://www.bal-adhesives.co.uk/bal/m...xing_guide.pdf

Grout?

Ardex Flex FL/FS.

http://www.ardex.co.uk/ardexflex_fs.asp
http://www.ardex.co.uk/ardexflex_fl.asp

Adhesive for wooden floors?

Ardex Flex 7001 Timber System (available in white or grey)

http://www.ardex.co.uk/ardexflex_7001.asp

Christian.