DVI cables can be found very cheap at places online like monoprice.com , however, not sure they ship to the USA.

Logitech makes some great wireless keyboard/mouse combinations. That is what I use for my HTPC. As long as your video card has DVI/HDMI out you should be good to go.

M80s VP180 4xM22ow 4xM3ic EP600 2xEP350
AnthemAVM60 Outlaw7700 EmoA500 Epson5040UB FluanceRT85