Maybe I'm alone here, but I feel like the iPad 1 is already quite laggy, meaning, when I'm switching between full open apps with the screen gestures, the thing freezes for a half-second, when a highly detailed app is open, like the huffingtonpost, it takes a while to move within it. I doubt the iPad 1 will updated for much longer.
And in my view, that's insane. It speaks to apple underpowered hardware. The iPad 1 has had 256MB of ram since it was released much like the iPhone 3GS. I'm guessing that when iPhone 3GS is no longer updated, the iPad 1 will follow suit.
Not to mention half-assed updates. Jailbroken iPad 1 can do screen mirroring. However, the feature is only supported and promoted on iPad 2. Any iPhone 2G owners here who are still out of picture messages, video recording, etc?