Hi, I want to change my old mixie Preethi BL 750W which is 5 yr old. Can you please suggest mixie for daily usage. Problems i have with my old mixie: 1. Giving lot of noise 2. almost blades are worn out in 2 jars. will 750w mixie give more noise than 600W. which is the best option?. From the review on net, preethi has got the good review. But i am confused which model or go. please suggest from your experience. Thanks.