The latest version of Android is precisely the FRF72 Froyo build on Nexus One. According to AndroidPolice, it tastes delicious. Otherwise, the folks at xda-developers have been tinkering with their Nexus Ones to prove that it is indeed a Google build and all bits of fruit in this frozen yogurt are up to snuff (which they are). Anywho, to get your Sexy Nexy up to speed, hit up the source link.
*Note that this is only the start of my posts getting slightly “funnier”, albeit more interesting.