Andy is pretty much spot on with the main issue being the fact that Le Tissier, although very gifted, could, and would, disappear for long stretches of the game and in this time could often be spotted buttering a scone and pouring tea on the touchline. He was a God to Southampton fans who had very little to cheer about on an ongoing basis but I suspect that if had ever left and joined one of the 'big' clubs he would not have received the same level of adulation due to his lack of effort.
A truly talented player and a joy to watch on occasion but for me he was never cosistent enough, never reliable enough and personally I think his legacy is a tad over hyped.
There was also an overlap in the era when he could have played for england and when Gazza was playing for England (at least I think there was) and very few managers would put both of them in the same team and if you had to choose between the two there really was no contest - Gascoigne was a far superior footballer.