Mine's a 1.6 td 5 speed.
The fix seems to greatly improved the gear selection process although I may change more parts in time to tighten things up further. I have come across one problem however that I would appreciate some advice on. I'll do my best to explain
The assembly at the base of the gear lever, the guide pin and spring bit seems to have been fouling the housing for quite some time. I say quite some time as its ripped a tear in the side wall of the housing. See picture below

After replacing the full gear lever assembly I got a friend to change gears whilst I took photos of the aforementioned problem. See more pictures below
This is how the base of lever sits with lever pushed over for 1st/reverse

This shows the pin going into the groove when 1st is selected

This shows when reverse is selected ( no apparent problem with reverse )

Gears 2 to 5 are ok, no rubbing against the housing on the other side.
Any help much appreciated as we are going away next week and would like to get this sorted if I can.
Thanks again to COvkid and MM289 - your wiki guide is excellent.
Eric