Retrofit your Web pages for wireless compatibility

I'm no web developer - preferring to leave all that sort of thing to those who know better - but I do know enough to be interested by this bit of "howto". In a nutshell - wireless compatibility here refers to how well your webpage looks on a wireless device such as cell phone or PSP. The key being slim and trim without the extra 'bling' typically associated with today's web. I can't tell Extensible HyperText Markup Language (XHTML) from cascading style sheets (CSS) - but I doo know that anything that is slim and trim is good for accessibility. Unless - of cpurse - I am wrong. In which case I stand to be corrected.