Once upon a time, a smattering of new HD channels in one major metropolitan area was a huge deal. Nowadays, it's almost expected that one area or another will experience some HD expansion each week. In order to keep things nice and tidy around here, we deliver high-def expansions, market expansions and anything else dealing with HD channel growth right here. If we missed an area that you're familiar with, drop us a line in comments so everyone can catch up. The more the merrier, we say!

Read - More high-definition channels roll out (Great Falls, Montana)
Read - ATMC Launches CNN HD (North Carolina)
Read - Cable high-def on hold at WKTV (Utica, NY)
Read - Comcast customers to see up to 64 new HD channels (Washington, Thanks, Tyler)
Read - RCN Brings Digital Revolution to Lehigh Valley, PA Cable TV Customers in September; Providing 100 High Definition (HD) Channels to Customers
Read - AT&T U-verse TV Adds ShortsHD and New International Channels
Read - More HD Coming For Puerto Rico
Read - Comcast Expanding HD in Bay Area
Comcast adding History, CNN, USA, Discovery, Animal Planet, AMC in New Jersey (Thanks, Margo)
Comcast adding Biography HD, G4 HD, Lifetime HD, Lifetime Movie Network HD, MTV HD, VH1 HD, Comedy Central HD, Spike HD, Nickelodeon HD, The Weather Channel HD, IFC HD, WE-HD, FUSE HD, Planet Green HD, TVOne HD, and Style HD in Connecticut September 1 (Thanks, Michael)
Read - Bright House Networks in Michigan adds 10 HD channels (Thanks, Kyle)