One click in Firefox, and it's part of the search bar (with a simple drop down list). I can (and do) switch back and forth between search providers 9-10 times a day if I want (IMDB for this, Amazon for that, Google for general, eBay for buying things, etc, etc).
We need to compare apples to apples here.
So I downloaded FF2.0 and compared it to IE7 when it came to adding new search providers.
IE7 : 4 clicks
FF2.0 : 5 clicks
Here's the breakdown:
IE7
1. Click on the dropdown next to the search button
2. Click on "Find More Providers". This will load a webpage with the list of installable providers
3. Click on the name of the provider you want to add
4. Click OK
FF2
1. Cick on the dropdown next to the search button
2. Click on "Manage Search Engines"
3. Click on "Get more search engines". This will load a webpage with the list of installable search engines
4. Click on the name of the engine you want to add
5. Click OK
I'm really not seeing how you can call that a more complicated procedure under IE7. They're almost identical procedures with the exception that FF has an additional step.
Switching search engines is nearly identical as well. Open the dropdown and choose which engine you want to use to carry out your search. The only difference I can see here is again something I'd put in favor of IE7. I can choose a default search provider that is used when I quickly type in a term and hit enter (or when doing searching from the address bar), but I can also pick a search engine to use just that one time by picking it from the list. FF seems to make your last choice your new default. Not sure which way is better, but I know I prefer to leave it at Google, and then just choose something different if I want to later.
And I see I still can't resize or move any of the toolbars. But I suppose there's a buggy extension that will offer me that functionality if I'm just willing to spend enough time looking for one.