Feeling less altruistic? Plenty of places will purchase your first-generation iPad if it's in good condition. Among the leading options are hardware-buying sites such as and . For instance, right now, Gazelle will pay $300 for a mint-condition original 16GB Wi-Fi model iPad with power adapter and original cables. That's a nice chunk of change to help defray the cost of your iPad 2 upgrade. (Don't assume, however, that will match the reseller's.)

The debut of the iPad 2 means one thing to tech bargain-hunters: clearance prices on the original iPad. Where to shop? The has knocked $100 off the price of the first-gen model. Shipping is free, and you'll get the standard iPad one-year warranty plus 90 days of free phone support. Apple's are even cheaper. Example: $349 for a 16GB Wi-Fi model, or $50 off the reduced list price.

Other buying options include Amazon's deals on , or iPads, and of Apple slates for sale. fans will find plenty of used iPads for sale in their local communities, as well--but as with all Craigslist offerings, buyer beware! Tip: Avoid Craiglisters hawking both used iPads and outcall massage. Something isn't right there.

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