I didn't notice any start-time issues, but I only have Firefox 29 currently installed on a higher-end laptop so that might be part of it. I'll be interested to

I didn't notice any start-time issues, but I only have Firefox 29 currently installed on a higher-end laptop so that might be part of it. I'll be interested to see how this fairs when I put 29 on a netbook that I have (Intel Atom, single core). I had the same gripe you did, if you grab 'classic toolbar buttons', it'll give you the smaller layout with the 'enable small buttons' option on.