The Onkyo A-9010 is the single best amplifier I've heard for anywhere near the price. IMO, it should be the default answer to the “budget amplifier” question that gets asked so often :
Onkyo A-9110 Review | The Master Switch
Best Budget Amplifier Ever. Onkyo A-9010 (B) Uk Edition. User Review. - YouTube
Onkyo a-9010 review « TOP NEW Review
Onkyo Integrated Stereo Amplifier A-9010 Black : Amazon.com.au: Everything Else
Z Review - Onkyo A9010 [The Return of Real Amplifiers] - YouTube