I collected some good tutorials on web layout design. I enjoyed and learned so much from them. The ones I like the most are 5 Pixel Poping techniques from tutorial9 and Quality within web design from wefunction.

Tutorials on certain style

design an awesome colorful layout

create a dark and sleek web layout using photoshop

design typography layout

design a realistic website layout in photoshop

Design a clear website layout in Photoshop

Create a clean PSD layout with a 3D look

Tutorials by Topic

Create an awesome portfolio layout

Modern Blog Layout

Non-profit Photoshop Layout

Tutorial RocknRolla Blog Design

Design Studio Layout

Design Principles and techniques

1. Visual Hierarchy in Web Design

2. 9 Essential Principles for Good Web Design

3. 5 Pixel Poping techniques

4. 5 simple tricks to bring light and shadow into your designs

5. Quality within web design

Another Round up of quality tutorials

45 step by step tutorials on web design with photoshop