Homeowners should think carefully about both their needs and budget when choosing kitchen appliances, it has been argued.Renovators Ann Robinson and Annie V Schwemmer noted that the basic kitchen appliance package - namely the dishwasher, microwave, fridge and cooker - can vary wildly in price depending on the manufacturers.A kitchen with all the bells and whistles definitely changes the bottom line, they said in a column for Deseret News.Keeping the kitchen appliances simple will open up more money to use somewhere else, but at the same time, maybe taking off a few square feet from the addition will allow for a little more luxury in the kitchen.The designers suggested that while the kitchen should be tailored towards cooking tasks, it should also account for its growing role as the centre of the home where the modern family spends much of its time carrying out a range of tasks.Meanwhile, Gizmag.com last week reported that an ingenious food waste disposer has been selected as one of the finalists in the Electrolux Design Lab 2010 competition.