If your browser is stuck whilst uploading a new post, you just have to hit "refresh" (or "reload", if you're using FireFox, which you should).
The page should load beautifully.

Not really on-topic, but handy to know.
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PowerMac G5 Dual 2.0Ghz, 1536Mb RAM, 160Gb HD, 23" Studio Display
iMac 333Mhz, 160Mb RAM, 6Gb HD
PowerMac 8500 120Mhz, 80Mb RAM, 2Gb HD, 17" AppleVision Display
Mac IIsi 20Mhz, 16Mb RAM, 200Mb HD, 15" Sony Trinitron Display
3G iPod 40Gb
512Mb iPod Shuffle