Intel is now pushing it’s dual core technology to ultra thin notebooks as announced this week. The dual core processor are the Celeron 740 and the SU2300 which features a core clock of 1.3 GHz and 1.2 GHz. Both processors also has identical 1MB L2 cache, 10W TDP and 800MHz FSB.

As per announcement:
Intel recently added two dual-core CPUs into its CULV platform targeting entry-level ultra-thin notebooks – the Celeron 740 and SU2300, according to sources at notebook makers.
The Celeron 740 and SU2300 CPUs feature core frequencies of 1.3GHz and 1.2GHz, respectively, while both share the same 1MB L2 …read more

There’s a post over at Emerging Earth with more details about the battery replacement program.