This is good to hear. There are so many PS3 guys on this forum that complain so much that I thought you guys actually had a broken product. I have a friend who plays Skyrim on the PS3 and he never complained about glitches either... and I'm trying to convince a PS3-only Sony fan friend of mine to purchase Skyrim as well. But, after joining this forum, I stopped. I didn't want to recommend a POS to him.
I think there probably was a real problem in the beginning. My first character was getting a save file of about 12 MB at around 40th level. But since the 1.4 patch, the size of that file dropped substantially and the character I created after the 1.4 patch made it to level 40 with only a 6 MB savefile.
Just because I did not have a problem, doesn't mean your friend won't. As I understand the problem, from a lot of reading over in the PS3 forum, the PS3 has 512 MB of RAM but it is split into two busses and Skyrim only makes use of half of it, so once the RAM is used up, the PS3 starts relying on the hard drive for things that should be handled by RAM and that's when the lag sets in. Smaller savefiles makes it easier for the PS3 to keep up.
An SSD costs about a hundred bucks, give or take and depending on which one you get. I got one from newegg that cost about two hundred but is 128GB and does garbage collection as a background function to clean up the SSD without needing an operating system. Some folks say that isn't necessary because a PS3 cannot take full advantage of an SSD's speed, so even with a bit of garbage cluttering the SSD, it will still function fast enough for anything a PS3 can throw at it.
Anyway, the SSD is easy to install and is so much faster than a regular hard drive that it compensates for the lack of RAM without noticible lag. The SSD also speeds up loading times for all games, and it even boots up Netflix faster now, so I was happy with my purchase. But a lot of the PS3 users on the forum feel like buying an SSD "just to play Skyrim" is selling out to the man and relieving pressure for Bethesda to fix the problem.
If your friend does not mind installing an SSD and can follow the instructions for installing new patches when they come out (following those instructions seems to be critical), then he should not have any problems. Without an SSD, he probably still won't have a problem now with the current patches, but my experience is only with a PS3 upgraded with an SSD.