I must admit the i90c is quite an improvement in some areas, such as size, style, and added functionality, such as Java 2 Micro, voice memos & dialing, and a longer recent call list. However, they have a few minors adjustments to conquer before this phone can become a true workhorse. For example, the lid is too tightly wound and if your finger slips off the edge while answering a call it will shut and hang up. Or, the little ac power cable's connector looks like two plastic toothpicks.. they should have kept the older, rugged power cable. I also don't like being shoved into a mode I don't want.. if someone private msg's you, unless you open the lid after you are done with the call, you will stay on private band, meaning any fumbling of your fingers or keys on the phone will cause it to connect. there are a few other minor idiosyncracies with it, but the blue backlight is hard to resist.