Pink.mobi sold for $5,000 not $xxx,xxx.
SEDO auction result for pink.mobi
Names are
not "free" although some have posted misinformation about "freebies".
The "i" names are okay, some make more sense than others - it's that whole branding thing. Any "i" names other than the actual products that are branded such as the iphone would have to be heavily promoted. Their value would typically be a
very small fraction of the same term without the "i" - in any extension.