Why install a Flip-Top lid when he can simply use the Slide Card/Slide Tool to swap discs? Swapping discs with the Slide Card isn't that difficult you know. And it doesnt involve cracking open your PS2 console. :disagree:
P!mPdOG, seeing as you're in the US and I'm in the UK, I can't recommend any sites for you to buy Swap Magic and a Slide Card/Flip-Top from based on my own experiences.
However, I have had a look at Swapmagic3.com and there are a list of sites there from a number of locations that sell the Swap Magic software as well as the Slide Card and Flip-Top lids. You might want to have a look through all of the links at the bottom of this page:
Like Jesterrace touched upon, your only other alternative is to buy a Network Adapter, buy a Hard Drive and get the HD Advance software so that you can boot up your games from the Hard Drive.