Okay, I have to agree with Fujishiro but think that it just needs a bit of clarification...
1: I wouldn't disable Superfetch as it's not the part that makes excessive use of your SSD, yes it does a lot of reads from the SSD but it's the act of writing that will degrade the drive. The part that you may be confusing it with is Readyboost which uses a USB memory stick to give a performance boost on memory starved systems. With SSDs reads are cheap, writes are expensive. Superfetch is mainly a read only system with some accounting data to tell it what to pre-load. The speed boost to your system is worth the very small amount of files it creates, and it shouldn't need to update them often at all, which would possibly be when a program is updated but that should be it. From your link it looks like if Win7 finds a fast enough SSD then it will disable all the prefetchers for you as they're not needed.
2: As Fujishiro says there is little point in disabling the pagefile as on high memory systems it is less likely to be hammered (my system has 6GB of ram and it claims that 177MB of it has been paged, not a big deal) but it might save you when you have a runaway application and it has some critical data you have to have saved. If you have plenty of RAM and know it'll neve use it all then feel free to disable it and prove us wrong. Your article gives some good information on why you shouldn't need to disable to pagefile as well.
3:I would probably disable Windows Indexing, but then again maybe not.... At least enable it only when you need it, some time ago I found a Vista Sidebar gadget that you can use to control it but haven't had a chance to find it again. It may cause a small degradation over time if left on, but I doubt it would be a massive amount of updates after the system is fully indexed for the first time. The benefit in speed of finding the file I'm looking for may be more than the imperceptible life shortening the SSD would experience.
4: Kill defragmentation on that drive. The whole point of SSDs are that the seek latency is near nonexistent compared to HDDs so defragmentation is not anywhere near as much an issue as with HDDs. SSDs also more than likely hide their true file system behind a wear leveling system hidden on the SSD controller so what you think are two contiguous blocks may not be physically side by side on the SSD flash chips, it makes defragmentation rather pointless as it may only increase physical fragmentation on the device and only provide the benefit of making the Windows file system look more pretty.
More than that I'd think that Win7 is pretty well optimized for SSDs, at least that's what Microsoft told me ;)