That was done for PES6 as well - it was cool being able to play a fully English ML with no foreign teams being in the top division after the first season
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The PES patching community has to be one of the best there is in gaming... They transformed from PES6 having very little atmosphere with a lot of dull colours into an authentic looking (loads of stadiums, good pitch textures, all kits/balls, scoreboards etc.) and sounding (crowd roars when you scored, team specific chants etc.) experience.
I won't be buying PES10 at ?30+ as it's no better than it's predecessors (especially PES5 and PES3), but may pick it up after Christmas when it's cheap.
I resent paying full price for games which are 90% the same as the previous version, hence why I havn't bought a PES since PES6 and havn't bought a Football Manager game since 07.
PES10 is a decent game, nearly as good as PES6 i'd say, but it's just what PES 08 should have been and even then it would have been a bit of a disappointing next-gen effort due to the lack of flowing animations and freedom of control.