»In which we compromise security

The iPhone is buggering my passwords for web applications. I typically use -- and many sites prudently require! -- a password seed that is a mixture of letters and numbers, so as to throw off the brute-force, dictionary, and script k1dd3 attacks. However, the iPhone's split keyboard (one view for alpha, a second for numeric and symbols) means additional taps in order to enter passwords that have combinations of alpha and numeric characters. Worse, logging in to a site where my username or password contains these interleaved becomes slow and tortuous. It's re-learning typing, but less efficiently. I changed a few passwords for apps that I expect to use more from the 'phone than the 'puter, but in doing so felt a pit in my stomach that I was easing up too much on the security of the passwords in favour of the convenience of the keyboard. I wonder if a subsequent update will include an escrow service (like Keychain?), or an option for an extended keyboard.