if just below 30 then can eat a lot of nice foodjack's place each person 20++ can eat until full...i think very nice..clementi there is one..and in other place also got then if many ppl then in novena..there is a hotel..i forget name..if u really want i can check for me..the hot pot is very nice..got mutton and lots of nice thing..also have dumplings..it is buffe..around 20++ each person..it is suitable for many ppl bcos it is a big table and a lot of japan food place also very nice..around 10++ per set (non buffe).. MK is also not bad...also 20++ u can eat steam boat..and fresh strawberry is only 2 dollars there.. come to katong ba..it is food center of singapore..then also can go east coast..hehe happy birthday to u