So, now the ultimate sneaker is an incorporeal/ethereal God-blooded (Vecna) Beguiler (ShS)
Unseelie Fey Chameleon Dark Shadow-walker Shadow Lolth-touched Mulhorandi Divine Minion "Warlock" base class/"Hellbreaker" PrC with the "Darkstalker" feat, "
Wall of Gloom" invocation to evade the "Touchsight" power, and plenty of
Dust of Disappearance. (Did I cover all my tracks/
traces?) OneWingedAngel would argue that you can use "Silent Image" to produce the same effect, obsolescing the other spell.
In fact, the stealthiest is to not exist via Shadow Discorporation of the Telflammar Shadowlord, but that has immediate downsides...
[spoiler]CAr, p.136, WoG invocation -
http://yfrog.com/5gcar136invocations5pSpell Compendium > page 233 > the "Wall of Gloom" spell -
http://yfrog.com/5gspc233wogp[/spoiler]