iPhone Google enhancements

Google has just done a revision of their mobile apps for the iPhone. You can now have custom tabs, add/remove tabs to different Google apps, Calendar has a month view and contacts show up in Gmail as you type in the address bar. This is a nice update, but I feel they are leaving other apps such as Google Notebook, behind and not enhancing it at all. Who knows, at the next rumored Apple event in February (to coincide with the iPhone SDK) they might have actual Google applications running natively on the iPhone...