im from KL.. there are many many good food u can try here.. accomodation, iz all depends how luxery u wan..
Bukit Bintang area - Bak Kut Teh
Sungei Wang area - Rojak
Alor area - Ah Wa chicken wing
Alor area - Curry Mee
Petaling Street area - Ikan Bakar, Hokkien Mee, Wan Tan Mee, Dried...