[decibel]

It helps if you turn off predictive text. That made a large difference for me. Also, the longer your phone idles without being at least "soft reset", your RAM will be used. If you can free up your ram, the text messaging speed will increase. BTW, it's not just a lag in text messaging, it would be a lag on any screen you type in.

I am currently using a custom ROM based on no2chem's Nuerom3 Pre3 and have approx. 25 megs of ram free at boot and idle at around 17 megs free. I have very little lag in text messaging. I have tried it with predictive text on and off. With it on, I see a tiny bit of lag, especially on the first couple of words. If I turn it off, I see no log at all.

If I notice lag, I soft reset and all lag goes away anyway. So my suggestion to you, be careful of the number of programs you have loaded at one time into ram, soft reset at least once a day, turn off predictive text, flash nuerom3 pre3 with the 52meg program memory area. Good Luck.

I do notice you are using NueRom3 already... if you are on pre3 (or pre2), it is based on OS build 20748 which has had some issues with POutlook anyway. As far as not marking all messages read automatically when you open a threaded SMS. That is my #1 complaint about 20748 is the not auto-marking every message in a threaded SMS read. I have to scroll them all to get them to mark (like if I receive 3 in a row from the same person..)

Let us know!