1)If i buy a Micro ATX motherboard (Asus Rampage II 1366) do I also have to buy a "micro ATX PSU" or can I use a regular PSU (1000W,etc)?
no, there is no micro atx psu.
all psu's are atx ( in the last 15 years).
you can put any size in that case,
but,, why use 1000 w?
that case can not accomadate decent video cards, so a 500 w will be more than enough.
one WARNING;
this motherboard is NOT mATX!!
It is advertised as ATX, but it is larger than ATX !
this board is 12 inch x 10.6 inch ( 30.5 cm x 26.9 cm ), which is technically NOT the ATX standard. Standrad ATX is 12 x 9.6. !
ASROCK H67M-GE mATX MotherBoard Intel Socket LGA1155 i3 i5 i7 CPU DDR3 SATA III, ASRock H61M-VS 1155 Intel DDR3 VGA mATX Micro ATX Motherboard, ASRock H55M-LE LGA1156 Intel H55 VGA DVI Micro ATX mATX DDR3 Motherboard, ASRock (G31M-S R2.0 + SLA94 INTEL C2D E4600) COMBO LGA 775 Intel G31 Micro ATX , Thermaltake Armor A30 Micro-ATX & Mini-ITX Case, ASUS P7H55-M LX mATX H55 DDR3 LGA1156 Motherboard , GA-78LMT-S2P Socket AM3+ 760G mATX AMD, GIGABYTE GA-880GMA-USB3 AMD 880G HDMI SATA 6Gb/s Micro ATX AM3/AM3+ Motherboard, ASUS P5-99VM AMD K6-2 500MHz mATX Mobo, 256MB RAM, CD+Manual, AcBel API-8628 110W Micro-ATX HP/Compaq Power Supply, Gigabyte 78LMT-S2P AM3+ 760G mATX AMD Motherboard AMD DDR3 5200MT/s, 2U BLACK SERVER CASE 2xDVD OPEN + 2xHDD BAY CHASSIS MICRO ATX RACKMOUNT CASE NEW, New! Gigabyte GA-78LMT-S2P Socket AM3+ 760G mATX AMD Motherboard (Rev 5.0) , ECS RS482-M754 AMD Sempron 3100+ 754 ATI RS482 Micro ATX Mobo / CPU Combo #42112, MSI K9AGM2-FIH MS-7327 AM2 AMD 690G HDMI Micro ATX AMD Motherboard #042112, MSI K9VGM-V AMD AM2 Micro ATX Motherboard. TESTED #042112, Gigabyte GA-G31M-S2L Motherboard Socket 775 Micro ATX, P4 2.8ghz + matx Mb + 2gb Ram Used removed from working PC, SilverStone SST-TJ08B Black Micro ATX Micro Tower Case TJ08 + POWER SUPPLY PSU, Zalman Z9-Zalman Case Z9 MidTower ATX MATX 1xExternal 5xInternal 3.5inch 7xFan B, Coolermaster RC-361-KKN1-Elite 361 Black Micro-ATX/ATX - Kit, ASUS Maximus IV Gene-Z LGA 1155 Z68 uATX Micro ATX Motherboard NEW, IN WIN EM-Series EM035 - Mini tower - micro ATX - power supply 50 EM035.CQ500TBL, MSI mATX Intel H61 Socket 1155 H61M-E23-B3, ASUS P5G41T-M LX PLUS - Motherboard - micro ATX - LGA775 Socket - P5G41T-MLXPLUS, ASUS M5A78L-M LX PLUS - Motherboard - micro ATX - Socket AM3+ - A M5A78L-MLXPLUS, ASUS P8H61-M LX PLUS B3 Revision - Motherboard - micro ATX - P8H61-MLXPLUSREV3.0, Lian-Li PC-V354B-Lian-Li Case Mini Tower Aluminum microATX Audio USB 3.0 Black R, Lian-Li PC-A04B-Lian-Li Case PC-A04B microATX 2/0/7 Black Aluminum 12cm Fan Reta, MSI Z68MA-ED55 (B3)-MSI Motherboard Z68MA-ED55 (B3) AMD AM3 DDR3 PCIE SATA MATX , Foxconn G41S-K-Foxconn G41S-K Intel G41 Socket 775 mATX Motherboard w/Video Audi, In Win Development BEI-V500-In Win CA-V500 5-Bay mATX Mini Tower Computer Case -, KS-188-H-A-ISO-450-4SS Case KS188 MicroATX Mini Tower Black-Silver 350W 2-2-4, VORTEX3620 MINI MicroATX Mini Tower Black NO PSU 2-1-3 Bays USB Audio Fan, M5A88-M AMD AM3 Plus 880GB-SB850 HD4250 DDR3 PCI Express SATA 6GB-s MicroATX, Gigabyte GA-A55M-S2V Ultra Durable 1-Socket FM1 AMD A75 Chipset MicroATX Desktop, MINUET 350 MicroATX 1x5.25 External-1x3.5 Internal USB Audio eSATA Black-Silver, SILVERSTONE SUGO SG02-BF Black ABS / SECC Steel MicroATX Desktop Computer Case , mATX Motherboard Pentium3 1-1.5GB ram, barebones!! Great Condition. Free cpu fan, SilverStone LC04 HTPC Standard ATX Micro ATX Mini ITX Case, Inwin Development BL641S.300TBL-mATX chassis 300w PSU - Kit, Foxconn G41S-K-Foxconn G41S-K Intel G41 Socket 775 mATX Motherboard w/Video Audi, RadiSys EM945G-P4-3400-RadiSys Endura EM945G Intel 945G Express S775 mATX Mother, Coolermaster RC-431P-KWN2-ATX/Micro-ATX Elite 431 Plus - Kit, Gigabyte GA-G31M-S2L Motherboard Socket 775 Micro ATX, Intel D945GTP Socket LGA 775 Micro ATX mATX Motherboard 945G + I/O Plate, RadiSys EM945G-P4-3400-RadiSys Endura EM945G Intel 945G Express S775 mATX Mother, NEW INTEL BLKDH67BLB3 10PK MATX MBD S1155 DDR3 16 USB H, Gateway 4000792 Gateway Micro Atx Intel P4 Nimitz Motherboard 4000792 478/845gl , Lian-Li PC-60FNB-Lian-Li Case PC-60FNB Mid Tower ATX/microATX 5/0/(4) FAN HD+AC9,