Simply awesome browser.
It handles extremely heavy Flash websites like Grooveshark like a boss. It's smooth, handles multiple pages well, handles annoying popups well (!) without going ape****. It inherently knows keyboard shortcuts like "CTRL+A" when selecting all the text in a text box. Knows CTRL+C, CTRL+X, CTRL+V. It does *not* know CTRL+F to find, you have to click through to find text, which is one of the very few minor downsides.
It's smooth, elegant... like Chrome for your desktop, except it's for your Prime.
Enable Desktop User Agent mode in the settings and play around with Flash settings til it works for your needs. But it will handle *almost* any flash website you browse regularly, bar none.
Independent review here: http://www.addictivetips.com/mobile/...r-for-android/