256 MB flash memory expands via two memory card slots compatible with Secure Digital, MMC, miniSD, and microSDCustomer Reviews:
A great product for the price 
This is a wonderful little PC that works! You can surf the internet, read and write email, listen to music or podcasts, watch videocasts or movies. I even used it to remotely control other computers. This is a great little product for a really good price. I highly recommend it. I would buy it again.
Not owning one of these should be a crime. 
Absolutely amazing.
Am seventeen and was looking for a goal to shoot for with my programming lessons. Went out on a limb and decided to write software for Maemo.
Works flawlessly. Ebooks, music, Python, Wifi, Bluetooth, Security software(Nmap, Aircrack), Writing. All open-source.
Only issues I've had so far are the kind that are fun to fix. One wish, though: Java support.
More I use it, the less I want the laptop I originally asked for.
Does not power up after initial charge 
This item arrived DOA after initial Charge. The replacement also did not start after initial charge. I was able to get it to start after removing the battery for 5 hours. Then it worked great until I powered down, then the same problem. I could not get the update software to find the device even though windows Xp found and gave it a drive designation. I thought upgrading the OS system would fix the power problem. Nokia support could not help, I was told to send the unit in for warranty repair. When it was working for the short time it was promising. Maybe just a bad batch, I think I'll order the N810 instead and cross my fingers.