For those who are interested in buying a W520: flaw summary

Hey,
I´m still indecisive whether I want to get my own W520 or not. Part of it of course is the number of issues people have been unveiling in this forum. For all those who are considering too, and for my self I'd like to summarize the bugs and flaws that are still present and those that had been fixed by Lenovo since the launch of the W520 back in march.
No question, the W520 is a nice and impressive machine and no laptop out there comes with really no problems at all.
I guess it's just looking like Lenovos are quite flawed these days because everyone expects those to be 100% fine, since they are thinkpads and thinkpads are as a matter of a fact flawless.
Quick list of things that should (hopefully) sooner or later be fixed:
Software bugs and flaws:
power management regulation that's supposed to keep the battery alive by limiting the CPU to 800 MHz does get confused by changing the power supply while sleeping, resulting in a throttled machine with AC power supply or a unthrottled machine running on battery, unless you plug-out and plug-in your power supply again while running
troublesome bluetooth driver wiped some harddrives (fixed now, or at least that particular driver is no longer downloadable)
fancontrol goes crazy and pulses every 5 or 30 seconds (for many people)
fan is too active (too loud) while having no or low load on the system
warmboot issues with an SSD as main drive delays startup because of an unnecessary check
some driver seems to constantly write something onto your main drive while the ODD is mounted (which would lead to wearing out a SSD, not confirmed by others yet)
Hardware bugs and flaws:
fan creates a high frequent noise starting at 2nd level of speed (?)
many accessory products like the docking station and the ultra bay HDD carrier were advertised as fitting for the W520 as well as for the W510, but obviously don't fit
(two people in this forum had dieing speakers that would do nothing but make a clicking noise)
Is this pretty much what I'll run into when I order my own W520 or did I miss something?
For the time being:
using TPFC
always restart manually with "shutdown" while using a ssd
double checking if it's the right docking and ultra bay for the w520
and plugging the power supply just after turning the machine on
solves all the issues reportet here, except for the high pitched noise of the fan, that many people complain about,
or doesn't it?
(not listed abone for beeing more a feature than a bug or something like that:
ultra nav issues caused by manufacturers settings
network issues caused by manufacturers setting
problems with unsupported ram)
so long,
and thanks for all the fish

The issue that is most annoying for me is"
- warmboot issues with an SSD as main drive delays startup (by 40 seconds) because of an unnecessary check
(I have the Intel 510 SSD).
Otherwise, the W520 is the best laptop I have ever owned and very FAST!!!
W520 4270CTO i7-2820QM Quadro2000M 1920x1080 Display 16GB RAM 2x240GB Intel 510 SSDs (RAID 0) - BIOS 1.42 - PCMark7:4,568
Samsung Series 9 15-inch NP900X4C-A03US - PCMark7: 4674

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