Small dual core laptop, should i wait for a 64 bit chipset?

I have a powerfull 64 bit desktop . i want a small 12"- 14" 64bit dual core pref amd notebook !!. i know impossible( or very expensive and only in larger format laptops). dell,s xps m1210 is a very good 12" notebook but not 64bit and intel !. i hate to buy something that can go out of date within a few years! am i being a bit paranoid !? is anyone using this noterbook or similar ? pro,s or cons . thanks
Answer
Stick with the amd, they are coming out with a quad to be released in i think at the end of this year, or the beginning of next year, you can ask them to verify it.