Hopefully someone like @Selofain or others who have modded Fujitsu's can weigh in on some of your more specific questions regarding hardware mods. I'm pretty sure some versions of the T902 supports RAID, (the ones that utilized the optional mSATA drive slot came with a specific chipset) but you would need to ensure the model your buying has the mSATA drive enabled I think? Hopefully someone can confirm that. Not sure what options exist for the RAID configs though. http://forum.tabletpcreview.com/threads/t901-vs-t902.52086/page-5#post-290548 : "when you are purchasing the laptop, if you go to customize it, one of the options is to add 32 GB of SSD Cache for $125 (rip off!). So it's obviously doable. It also comes preloaded with Intel's Rapid Storage Technology which is what you use to configure the mSATA drive. However, if you opt out of this upgrade during purchase, they give you a different BIOS and chipset which blocks the RAID option in your SATA config option in the BIOS, thereby blocking the installation and configuration of the Rapid Storage Technology software. I contacted Fujitsu and they said that because I didn't have the factory install the cache, they gave me a separate chipset (but didn't remove the mSATA port?). To prove this further, I tried flashing the stock BIOS provided on Fujitsu's website and it said it wasn't compatible with my system, which usually only happens when the chipset isn't compatible....(shady)" I imagine your T734 regardless of the mod is going to be slightly faster in tasks and better iGPU for sure. The weird RAM config is a bit annoying, I like to have as much RAM as I can possibly get since I work with Adobe all day and its a RAM hog. You can put a big SSD in there and happily assign a large amount of VRAM to help the scenario at least. I guess it comes down to whether or not you want to prioritize screen size and resolution or slightly faster CPU with more upgrade-ability options. Since your limited in budget, I would just save a search on Ebay for both and take the first awesome deal from a reputed seller that comes up for either machine!