I had an iPad 1 running iOS 5 I think, but in the end I stopped using it because Safari would "crash" on most websites due to it running out of ram I guess. II

I had an iPad 1 running iOS 5 I think, but in the end I stopped using it because Safari would "crash" on most websites due to it running out of ram I guess. IIRC there's 128M of ram on the fist iPad.