Market researcher Nielsen has recently released the results of its survey on what kids want for the holiday shopping season. The survey is broken into two age groups: 6-12 and 13+. Just like last year, Apple's (AAPL -0.60%) iPad tops the list, but competitive pressures are heating up. Google (GOOGL 0.66%) Android smartphones and Amazon.com (AMZN 2.29%) Kindle Fire tablets are also rising in popularity, ranking high among both age groups. Microsoft (MSFT 1.44%), Sony (SONY 0.39%), and Nintendo will be happy to hear that their respective gaming consoles remain very popular, with Nintendo's Wii U scoring just behind the iPad in the 6-12 age bracket.