If you're a newbie, you may want to take a look at this guide for improved performance of your N8x0 unit running OS2008. I have gleaned the following tips from spending/wasting hours on this forum and others on the intarweb.

This is a first edition so please take it as a first stepping stone.

From a freshly flashed image:
1. Change wifi power-savings from Max to Intermediate: this change will allow greater wifi performance.
2. Make sure wifi Transmit Power is set to 10mw, NOT 100mw: for better power saving.
3. Disable metadata-crawler
sudo gainroot
/etc/init.d/metalayer-crawler0 stop
mv /etc/rc2.d/S99metalayer-crawler0 /etc/rc2.d/K99metalayer-crawler0
4. Copy Windows fonts to /home/user/.fonts directory and reboot.
5. Change the browser memory cache to 4Meg or Auto.
6. Change the “browser memory disk enable” to “true”
7. Change the “browser memory disk capacity” to “131072”

Applications to Install:
1. Python2.5-runtime
2. Vagalume
3. Mplayer
4. Mytube
5. Easyroot
6. Advanced Backlight
7. USB Host Control
8. Wifi Tools
9. Disk Usage
10. Battery-status
11. Internal-temp
12. FBReader
13. Canola Media Player
14. Maemo Recorder
15. Virtual Game Boy Emulator
16. Maemo Periodic Table
17. Video Recorder

Accessories to Have:
1. iGo Stoway Ultra-Slim Bluetooth Keyboard (Amazon $44.84)
2. Transcend 8GB SDHC Card (Amazon $32.79)
3. Tekkeon Tekcharge Mobile Charger (Amazon $20.53)
4. Sony 2500 mAh AA Rechargeable NiMh Batteries, 4-pack (Amazon $12.19)
5. Rayovac Universal Battery Charger for Rechargeable AA, AAA, C, D and 9-Volt Batteries (Amazon, $19.27)