Here are the network TV ratings from the week ending October 17th (the last weekly ratings released by Nielsen).
Of course they do not include cable fare from ESPN, Showtime, InHD, HDNet, or the myriad VOOM channels.
In my mind there is plenty of TV in HD -- although more would always be appreciated.
# PROGRAM NET RATING/SHARE VIEWERS
1 CSI HD CBS 18.1/27.0 28,889,000
2 CSI: MIAMI HD CBS 14.2/22.0 21,935,000
3 DESPERATE HOUSEWIVES HD ABC 13.1/19.0 20,868,000
4 WITHOUT A TRACE HD CBS 12.7/20.0 19,353,000
5 EVERYBODY LOVES RAYMOND HD CBS 11.6/17.0 17,970,000
5 SURVIVOR: VANUATU CBS 11.6/18.0 19,157,000
7 E.R. HD NBC 11.2/18.0 16,801,000
8 60 MINUTES CBS 11.1/18.0 16,460,000
8 TWO AND A HALF MEN HD CBS 11.1/16.0 17,153,000
10 LOST HD ABC 11.0/17.0 18,157,000
11 COLD CASE HDCBS 0.5/15.0 15,676,000
12 APPRENTICE 2 NBC 10.4/15.0 16,000,000
13 FOX MLB LCS: GMS 1&2(Wednesday) HD FOX 10.1/16.0 15,226,000
13 NFL MONDAY NIGHT FOOTBALL HD ABC 10.1/17.0 15,867,000
15 FOX MLB ALCS GAME 1(Tuesday) HD FOX 10.0/16.0 15,010,000
16 NCIS HD CBS 9.8/15.0 14,855,000
17 FOX MLB ALCS GAME 4(Sunday) HD FOX 9.5/17.0 14,821,000
18 EXTREME MAKEOVER:HM ED-8P ABC 8.8/13.0 15,530,000
19 JOEY HD NBC 8.7/14.0 13,367,000
20 CROSSING JORDAN HD NBC 8.5/13.0 12,524,000
20 WILL & GRACE NBC 8.5/13.0 13,002,000
(Note: CSI: NY was pre-empted by the Presidential debate.)