Here is a good news!
Finally the eBay seller, warden_jp2002, lists the same bulbs on eBay at the cheapest price. The title is "2pcs 24 T6.5 Instrument Panel 3 LED Bulbs".
Here is the link.
eBay Motors: 2pcs 24 T6.5 Instrument Panel 3 LED Bulbs(Blue/White) (item 190212426319 end time Apr-12-08 03:17:18 PDT)