Get a better browser.
I have not noticed any slowdowns when using Opera 11.
To see the full address in the URL bar either change it under the...
Settings / Advanced / Browsing or
...right click on the "web" icon in the address bar and change it from there.
Get a better browser.
Hmm - dunno - use Firefox? It has it's problems I know.
Genuinely interested to know why you choose Opera?
I'm timing how long it takes you to respond!