Lots of startup ideas there!
HN user
designhacker
I've been using a free bootstrap UI toolkit from http://guitoolkits.com/bootstrap-gui-toolkit/. They seem to have it for different tools (including powerpoint).
It's tough to shell in $150 for a product that is simply putting a flat skin over bootstrap items, but I guess there is a market for that.
Through my interaction with startups over the past few months, I realized that the later-stage startups are not hiring freelancers. Early stage ones are hiring freelancers (especially in UI/Usability field) due to the limited supply, but early stage (self-funded) startups don't have enough dough.
It's an interesting problem because those who need the service the most (in the first iterations of their products) are the ones who can afford it the least.