270. History HD
271. History +1
272. History 2 HD (Not Confirmed)
273. PBS America (PBS Confirmed)
274. Forces TV (Not Confirmed)
275. Love Nature HD (Confirmed by Virgin Media)
276. Smithsonian Channel HD (Not Confirmed)
Media Boy HQ TiVo Box says the following channels is Lifestyle Channels:
287. God Channel
298. H&C
But as of October 28th the following Documentaries Channels Love Nature HD and Smithsonian Channel HD has been given channels for use for Lifestyle Channels (Channels 278 to 299).