Bigger screen televisions, Wifi and PVRs are among the hottest new trends and devices in American homes according to Nielsens second quarter 2010 home technology report.

Tech devices which aren't so hot include: satellite radio, DVD players, VCRs and personal digital assistants.

The survey of almost 1,400 American homes identifies the key technology trends that are hot and the ones that have cooled based on a two-year trend review of self-reported survey data.

Here are the hot trends according to the Nielsen report:
  • Bigger and Better TVs - Upgraded television sets in the form of bigger screen sizes larger than 41 inches and better resolution continue to outfit in-home theaters. Specifically, HDTV sets have increased 26.9% and LCD flat screens are up 48.2% from Q3 2008 to Q2 2010.
  • Home Internet Access - Internet and broadband access in the home continues to rise – up 2.5% and 3.8%, respectively between Q1 2010 and Q2 2010. Currently, 85.3% of Americans have some kind of Internet access either through home and/or work.
  • Home Wi-Fi - Having a wireless network in the home increased 8.2% from Q1 2010 to Q2 2010 and 24% over eight quarters.
  • Digital Video Recorders (known as PVR's in Canada) - adoption rates of these devices increased 14.5% in the second quarter of 2010 (compared to the previous quarter. 40% of U.S. homes who now have a DVR device.
  • Digital Music Player - Almost half (46%) of all U.S. homes now have at least one digital music player Player. Apple’s iPod is still the dominant player in this category, capturing 63% of all MP3 Player-owning households.
  • Apple iPad - The Apple iPad launched on April 3, 2010, and was added to the Nielsen Home Technology Report survey shortly thereafter (May 2010). According to the Q2 report, 3.6% of U.S. homes now own an iPad.
And the not so hot and downright cold tech devices of the last few years.
  • Satellite Radio - Satellite Radio has experienced only modest growth over the past eight quarters, up just 5.5%.
  • Video Cassette Recorders - VCRs continue to disappear from U.S. households as DVRs and DVD players provide both greater functionality and better playback clarity. Currently, VCR ownership within U.S. homes is 70.2%, down 10.6% from Q3 2008 when it was 78.5%.
  • Digital Video Disc Players - DVD players are down 0.6% from Q1 2010 to Q2 2010. With 87.9% of U.S. homes already owning a DVD player, the “hot” growth phase for DVD players has long passed.
  • Personal Digital Assistants - The PDA is also becoming a rare sight these days within U.S. households. PDA ownership has declined 25.5% since Q3 2008 and will likely continue. Credit the Smartphone that provides both handheld computing capability and a phone for much of the PDA’s steady market share decline.