I doubt the upload will be increased because it's the headline rate (ie. download speed) which is used to sell the product by the marketting team.
and remember the only reason the download speeds increased was cos TW forced the issue - so unless TW make a big announcement that their upload speeds are going up, dont expect anything from NTL.
http://www.blueyonder.co.uk/blueyond...formation_faqs
"The upstream speed will remain at the current levels - 128kbps for the 512k (750k) service, and 256kbps for the 1Mb and 2Mb (1.5Mb and 3Mb) services."