Untill a few days ago, I was runnin' my 1.7 patched game with MMM and FWE and I had horrible lagging. Well, my machine is not very powerful, its stats being as follows:

Operating System
MS Windows XP Professional 32-bit SP3
CPU
Intel Mobile Core 2 Duo T6400 @ 2.00GHz 64 °C
Penryn 45nm Technology
RAM
3.00 GB Dual-Channel DDR2 @ 399MHz (6-6-6-18)
Motherboard
TOSHIBA Portable PC (CPU) 54 °C
Graphics
Default Monitor (1280x800@60Hz)
512MB ATI Mobility Radeon HD 3470 (Toshiba)
Hard Drives
313GB TOSHIBA TOSHIBA MK3252GSX (SATA) 38 °C
Optical Drives
Unknown system error: 0x80041004
Audio
ATI HDMI Audio

So, I poured myself a cup of coffee, took my load order and kicked otta it all the mods I wasn't using and, very reluctantly turned off the MMM.
And it worked!
The lags are almost gone. Oh, yeah.
I figured out that the weapons mods weren't as demanding on my resources as the creatures mods.

What do you think about this, people?

Fallout forever and beyond!!!