suggestion on new buy

Friends,
searching for a good supportive running & walking sports shoe for my long stretching work... atleast i walk for min of 8 kms daily,

as i have to fast walk in our muddy,slaggy roads. Every day i ended up in cramps and pain in my feet. often i run to catch bus ...:banghead:

need your suggestion on choosing good value for money sport shoe in Nike, Puma or Reebok etc...


thanks !!!!