my 2nd dan on rcmix kingdom
and I'm loving it,
no major errors yet
camera - fine
data - fine
widget - ok except calendar widget
sync - google,facebook and imap ok
battery - 1 dah 5 hours with medium usage of wifi,games and ebook reading
fm radio ok
gps ok
personally i think its faster than vivo 3.0 but cm7 is definitely faster
will try miui next