if I turn off Javascript I find my non-overclocked N900 loading my daily web pages pretty fast.
I recon that using an Android for a couple of days is a good cure against N900 tiredness Luckily there is also some hope on the horizon that one day we might buy a new motherboard for our N900 (NeoN900 project)
After a brief Jolla adventure I see myself end up with an NeoN900... http://neo900.org/