Initially my main complaint was simply the heavy use of the mouse; it felt jarring to have to move my hand off home row. However, I've now just chalked that up to inexperience with acme. 
Right now I actually can't think of anything I particularly miss about vim text editing, which I guess is why I've dropped the idea. 

On Sun, Oct 11, 2015 at 11:10 AM Staven <staven@staven.pl> wrote:
On Sat, Oct 10, 2015 at 09:27:57PM +0000, Giles Hutton wrote:
> better than vim, but acme's text editing was a bit too simplistic compared
> to vim. So my initial intention was to port acme to Go, and add in vi-style
> modal editing.

What text editing features from vim do you miss in Acme?