Talking Need help with flashing ROM on ZTE Blade (Gen 2)

Hi .
I want to flash new ROM on my ZTE BLADE
Can anyone suggest me which ROM should I flash and how to flash.
I want to upgrade to android 2.3.5 or 2.3.7 from 2.2.2 .......Official ROMs will be cool .

My phones status -
ZTE Blade (Soft Bank 003Z)
Gen 2
Rooted
CWM recovery v 5.0.2.0 installed
current os version 2.2.2
CPU single core 600 Mhz (ARMv6)
RAM 420 mb (237 MB available)
Internal memory 162 MB
System 220 MB
Cache 37 MB
Kernel version 2.6.32.9-perf
Build number 003Z_22.0

Plz help me .....
Thanks on advance ....