Your going to have to increase your budget. If you are planning on using the new system for FSX and Vista, I would recommend the following based on hardware available today:
1. Motherboard:
http://www.newegg.com/Product/Product.a ... 68131300372. Memory (MINIMUM 2 GIGS for VISA AND GAMING)
http://www.newegg.com/Product/Product.a ... 68202272253. Video Card:
http://www.newegg.com/Product/Product.a ... 6814130279(You can add another one for SLI much cheaper next year)
4. Make SURE the PSU can handle 2x7900GTX in SLI and have power to spare
Considerations:
1. Visa will be worthless for at least a year from today, if not longer, because of the bugs of a new OS
2. FSX may be released before Xmas... that is the target date for its release but nothing official has been set.
3. New hardware hitting the market needs several months, at minimum, to make sure there are no serious bugs that require fixing and if there are, they are corrected in BIOS updates.
4. If you are planning a game system, you would be better off with an AMD system over an Intel. A good rule of thumb for system (processor) comparison performance in gaming is to take the speed of the Intel processor (in example 2.8gig) remove the decimal, add 2 zeros and you have the equivalent of AMD in game performance. In other words, a 2.8gig Intel processor is the same as buying a 2800+ AMD. Being you can obtain 4000+ AMD processors, your better off with AMD when it comes to graphics performance. Intel on the other hand is far superior to AMD for video editing and other types of multimedia work. It is the same for dual cores. AMD is far superior for gaming over Intel but Intel is far superior in just about everything else.
5. Newer motherboards and video cards will be available as the year progresses. Some people are not willing to wait for the hardware to appear and for it to go through its 'test' period. If you can wait until October or November there will be more to choose from and the price of the EXPENSIVE hardware (listed above) at today's prices will have come down in price significantly.